How to use 1. (number followed by dot) format instead of [1] format in bibliography
Add the following to the preamble of your document:
\makeatletter
\renewcommand\@biblabel[1]{#1.}
\makeatother
Add the following to the preamble of your document:
\makeatletter
\renewcommand\@biblabel[1]{#1.}
\makeatother