Wallis, W. D. (2003). A beginner's guide to discrete mathematics. Birkhäuser.
Čikaški stil citiranjaWallis, W. D. A Beginner's Guide to Discrete Mathematics. Boston: Birkhäuser, 2003.
MLA način citiranjaWallis, W. D. A Beginner's Guide to Discrete Mathematics. Birkhäuser, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.