Gaya APA

Bona, M. (2006). A walk through combinatorics : an introduction to enumeration and graph theory (Second edition). New Jersey: World Scientific Publishing Co, Pte. Ltd.

Gaya MLA

Bona, Miklos. "A walk through combinatorics : an introduction to enumeration and graph theory". Second edition New Jersey: World Scientific Publishing Co, Pte. Ltd, 2006. Electronic Resource.