APA استشهاد

Morley, A. (1962). Strength of materials (12th ed.). Longman.

استشهاد بنمط شيكاغو

Morley, Arthur. Strength of Materials. 12th ed. London: Longman, 1962.

MLA استشهاد

Morley, Arthur. Strength of Materials. 12th ed. Longman, 1962.