书目不打印且 /cite 命令不起作用，但没有显示任何错误

Question

% Makes header
\pagestyle{fancy}

\thispagestyle{empty}

\fancyhead[R]{\textit{Final Year Project Proposal, 2024}}

\fancyhead[L]{\textbf{Student Name, student ID}}

% Makes footnotes with an asterisk

\renewcommand*{\thefootnote}{\fnsymbol{footnote}}

\begin{center}


\Large{\textbf{Proposed Project Title (group)}}\\


\vspace{0.4cm}

\normalsize

Project Topic (general area), e.g. “Solar Energy”, “Photonic Devices”, and “RF IC Design” \\

\vspace{0.1cm}

\textit{Supervisor:}

\small{Prof. X}\\

\vspace{0.1cm}

\textit{Project Subtitle:}

\small{Subtitle specific to given team member}

\medskip

\normalsize

\end{center}

{\color{gray}\hrule}

\vspace{0.4cm}

\begin{abstract}

\input{./abstract.tex}

\end{abstract}

{\color{gray}\hrule}

\medskip

\input{./document.tex}





\bibliographystyle{plain}

\bibliography{references}

打印的唯一内容是参考文献标题，下面是我的.bib 文件。

@article{Bowker1985,

  doi = {10.2307/2617706},

  url = {https://doi.org/10.2307/2617706},

  year = {1985},

  publisher = {Oxford University Press ({OUP})},

  volume = {61},

  number = {4},

  pages = {607--618},

  author = {Mike Bowker and Phil Williams},

  title = {Helsinki and West European Security},

  journal = {International Affairs}

}

Overleaf 在编译时没有给出任何错误，所以我不知道我做错了什么。Latex 文件是提供给我的，用来写报告，我不应该更改任何内容，但我不能引用任何内容，所以我不知道该怎么做。任何帮助都将不胜感激。