एपीए उद्धरण

Donald L. Kreher. (1999). Combinatorial algorithms: Generation, enumeration and search. Boca Raton, FL: CRC Press.

शिकागो स्टाइल उद्धरण

Donald L. Kreher. Combinatorial Algorithms: Generation, Enumeration and Search. Boca Raton, FL: CRC Press, 1999.

एमएलए उद्धरण

Donald L. Kreher. Combinatorial Algorithms: Generation, Enumeration and Search. Boca Raton, FL: CRC Press, 1999.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.