APA استشهاد

Segal, A. (1978). Careers encyclopedia (9th ed.). cassell.

استشهاد بنمط شيكاغو

Segal, Audrey. Careers Encyclopedia. 9th ed. London: cassell, 1978.

MLA استشهاد

Segal, Audrey. Careers Encyclopedia. 9th ed. cassell, 1978.