`tex` 文件就给这么多就够了。 ``` \documentclass[UTF8,a4paper,12pt]{ctexart} \usepackage[numbers]{natbib} \bibliographystyle{unsrt} \begin{document} 常见\cite{baldwin2006}，且忽视\cite{venables2011}。受到损失\cite{combes2012} \bibliography{refss} \end{document} ``` 至于 `bib` 文件我也给你补全了 ``` @TechReport{baldwin2006, author = {Richard Baldwin and Toshihiro Okubo}, title = {Heterogeneous firms, agglomeration and economic geography: spatial selection and sorting}, year = {2005}, doi = {10.3386/w11650}, publisher = {National Bureau of Economic Research}, } @TechReport{venables2011, author = {Anthony J. Venables}, institution = {University of Oxford, Department of Economics}, title = {{Productivity in cities: self-selection and sorting}}, year = {2010}, number = {507}, type = {Economics Series Working Papers}, url = {https://ideas.repec.org/p/oxf/wpaper/507.html}, } @Article{combes2012, author = {Pierre‐Philippe Combes and Gilles Duranton and Laurent Gobillon and Diego Puga and Sébastien Roux}, journal = {Econometrica}, title = {The productivity advantages of large cities: distinguishing agglomeration from firm selection}, year = {2012}, number = {6}, pages = {2543--2594}, volume = {80}, doi = {10.3982/ecta8442}, publisher = {The Econometric Society}, } ```