@book{latex-by-lamport
, author =      "Leslie Lamport"
, title =       "A Document Preparation System {Latex} User's Guide and Reference Manual"
, publisher =   "Addison-Wesley"
, year =        1986
}

@book{latex-companion
, author =      "Michel Goossens and Frank Mittelbach and Alexander Samarin"
, title =       "The {LaTeX} Companion"
, publisher =   "Addison-Wesley"
, year =        1994
}