APA引文

Roberts, F. S. (2009). Applied combinatorics (2nd ed.). CRC.

Chicago Edition Citation

Roberts, Fred S. Applied Combinatorics. 2nd ed. Boca ration: CRC, 2009.

MLA引文

Roberts, Fred S. Applied Combinatorics. 2nd ed. CRC, 2009.

警告：这些引文格式不一定是100％准确.