Donald Knuth: Printed text should be beautiful.
Leslie Lamport, LaTeX: User's Guide& Reference Manual, Addison-Wesley, 1986. My copy is old, yellowed, and worn.
Michael Goosens, Frank Mittelbach, and Alexander Samarin, The LaTeX Companion, Addison-Wesley, 1994.
Type "latex tutorial" into your favorite search engine. I looked just briefly at several. I rather liked
\documentclass{article}
% style package invocations, e.g.,
\usepackage{url}
% macro definitions, e.g.,
\newcommand{\gasday}{GasDay$^{\sc TM}$}
\begin{document}
\title{This Is the Title}
\maketitle
\section{Section 1}
Let me tell you about \gasday.
\section{Section 2}
Tomatoes cook~\cite{Marx2004a}.
\subsection{Section 2.1}
In-line equation: $A = \pi r^2$.
\subsubsection{Section 2.1.1}
Displayed equation:
\[
\hat{Q}(t) = \sum_{n=0}^N a_n B_n(t).
\]
\begin{thebibliography}{9}
\bibitem{Marx2004a}
Brian Marx, {\sl Thesis}.
\end{thebibliography}
\end{document}
Perhaps
Shangsi's Chapter 3
Tsugi's thesis
Shangsi's thesis
Copyright 2012 George Corliss, Marquette University