APA استشهاد

Uvarov, E., & Chapman, D. (1971). Dictionary of science (4th ed.). Penguin.

استشهاد بنمط شيكاغو

Uvarov, E.B, و D.R Chapman. Dictionary of Science. 4th ed. London: Penguin, 1971.

MLA استشهاد

Uvarov, E.B, و D.R Chapman. Dictionary of Science. 4th ed. Penguin, 1971.