APA استشهاد

Singh, G. (1967). Strength of materials and structures (Ed.2.). Khanna.

استشهاد بنمط شيكاغو

Singh, Gurbakhsh. Strength of Materials and Structures. Ed.2. Delhi: Khanna, 1967.

MLA استشهاد

Singh, Gurbakhsh. Strength of Materials and Structures. Ed.2. Khanna, 1967.