Παραπομπή APA

Green, A. E., & Zerna, W. (1968). Theoretical elasticity. Oxford University.

Παραπομπή Chicago Style

Green, A E., και W. Zerna. Theoretical Elasticity. London: Oxford University, 1968.

Παραπομπή MLA

Green, A E., και W. Zerna. Theoretical Elasticity. Oxford University, 1968.