APA ציטוט

Berge, C., & Chvátal, V. (1984). Topics on perfect graphs. North-Holland.

Chicago Style (17th ed.) Citation

Berge, C., and V. Chvátal. Topics on Perfect Graphs. Amsterdam: North-Holland, 1984.

ציטוט MLA

Berge, C., and V. Chvátal. Topics on Perfect Graphs. North-Holland, 1984.