APA-referens

Marcus, D. A. (1998). Combinatorics: A problem oriented approach. Mathematical Association of America.

Chicago-stil citat

Marcus, Daniel A. Combinatorics: A Problem Oriented Approach. Washington, DC: Mathematical Association of America, 1998.

MLA-referens

Marcus, Daniel A. Combinatorics: A Problem Oriented Approach. Mathematical Association of America, 1998.