APA استشهاد

Walker, K. M. (1978). Applied mechanics for engineers (Ed.2.). Reston.

استشهاد بنمط شيكاغو

Walker, Keith M. Applied Mechanics for Engineers. Ed.2. U S A: Reston, 1978.

MLA استشهاد

Walker, Keith M. Applied Mechanics for Engineers. Ed.2. Reston, 1978.