Gaya APA

Roark, R, J., Young, W, C. (1975). Formulas For Stress and Strain (Ed.5). Kogakusha: McGraw-Hill.

Gaya MLA

Roark, Raymond, J.., Young, Warren, C.. "Formulas For Stress and Strain". Ed.5 Kogakusha: McGraw-Hill, 1975. Text.