APA aipamena

Crapo, H. H., & Rota, G. (1970). On the Foundations of Combinatorial Theory: Combinatorial Geometries. Cambridge, Massachusetts: The MIT Press.

Chicago Style aipamena

Crapo, Henry H., và Gian-carlo Rota. On the Foundations of Combinatorial Theory: Combinatorial Geometries. Cambridge, Massachusetts: The MIT Press, 1970.

MLA aipamena

Crapo, Henry H., và Gian-carlo Rota. On the Foundations of Combinatorial Theory: Combinatorial Geometries. Cambridge, Massachusetts: The MIT Press, 1970.