Cita APA (7th ed.)

Roark, R. J., & Young, W. C. (1975). Formulas for stress and strain (5a. ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Roark, Raymond J., i Warren C. Young. Formulas for Stress and Strain. 5a. ed. Auckland: McGraw-Hill, 1975.

Cita MLA (9th ed.)

Roark, Raymond J., i Warren C. Young. Formulas for Stress and Strain. 5a. ed. McGraw-Hill, 1975.