APA استشهاد

Khurmi, R. S., & Khurmi, N. (2016). Principles of engineering mechanics. S.Chand & Co.

استشهاد بنمط شيكاغو

Khurmi, R S., و N. Khurmi. Principles of Engineering Mechanics. N.Delhi: S.Chand & Co, 2016.

MLA استشهاد

Khurmi, R S., و N. Khurmi. Principles of Engineering Mechanics. S.Chand & Co, 2016.