APA استشهاد

Kotkin, G. L., & Serbo, V. G. (1971). Collection of problems in classical mechanics. Pergamon Press.

استشهاد بنمط شيكاغو

Kotkin, G. L., و V. G. Serbo. Collection of Problems in Classical Mechanics. Oxford, New York: Pergamon Press, 1971.

MLA استشهاد

Kotkin, G. L., و V. G. Serbo. Collection of Problems in Classical Mechanics. Pergamon Press, 1971.