Παραπομπή APA

Roark, R. J., & Young, W. C. (1975). Formulas for stress and strain (Ed.5.). Mc Graw - Hill.

Παραπομπή Chicago Style

Roark, Raymond J., και Warren C. Young. Formulas for Stress and Strain. Ed.5. New Delhi: Mc Graw - Hill, 1975.

Παραπομπή MLA

Roark, Raymond J., και Warren C. Young. Formulas for Stress and Strain. Ed.5. Mc Graw - Hill, 1975.