\begin{thebibliography}{6}
\bibitem{3} C Kabele, {\em Transistos}, Journal of the American Society for Naval Engineers, {\bf 65}, 707--714, 1953.
\bibitem{2} J M Early, {\em Out to Murray Hill to Play: An Early History of Transistors}, IEEE Transactions on Electron Device, {\bf 48}, 2001.
\bibitem{4} R Nelson, {\em The Link Between Science and Invention: The Case of the Transistor}, The Rate and Direction of Inventive Activity: Economic and Social Factors, 549--584, 1962.
\bibitem{1} S Soni and V Dagolia, {\em The Transistor Amplifier}, International Journal of Electrical & Communication Engineering for Applied Research, {\bf 1}, 1--20, 2012.
\end{thebibliography}
答案1
您需要在最后&使用 来转义特殊字符：\&\bibitem
\documentclass{article}
\begin{document}
\begin{thebibliography}{6}
\bibitem{3} C Kabele, {\em Transistos}, Journal of the American Society for Naval Engineers, {\bfseries 65}, 707--714, 1953.
\bibitem{2} J M Early, {\em Out to Murray Hill to Play: An Early History of Transistors}, IEEE Transactions on Electron Device, {\bfseries 48}, 2001.
\bibitem{4} R Nelson, {\em The Link Between Science and Invention: The Case of the Transistor}, The Rate and Direction of Inventive Activity: Economic and Social Factors, 549--584, 1962.
\bibitem{1} S Soni and V Dagolia, {\em The Transistor Amplifier}, International Journal of Electrical \& Communication Engineering for Applied Research, {\bfseries 1}, 1--20, 2012.
\end{thebibliography}
\end{document}
不相关，但是\bf一个过时的命令；您应该使用\bfseries它。