%%
%% The LaTeX Companion, 3ed
%%
%% Example 16-3-33 on page II-502 in "biblatex's approach to author-date references".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{156.0pt}

% Use biber program
\setlength\parindent{0pt}
\usepackage{microtype}

%StartShownPreambleCommands
\usepackage[style=authoryear]{biblatex}
\usepackage[ngerman]{babel}
\addbibresource{tlc.bib} \addbibresource{tlc-ex.bib}
%StopShownPreambleCommands

\begin{document}
1: \textcite{G-G}     \\  2: \textcite{oddity} \\
3: \textcite{GNUMake}
\end{document}