Gaya APA

BEER, F, P. et al (2015). MECHANICS OF MATERIALS: SEVENTH EDITION IN SI UNITS (ED.7). NEW YORK: MC GRAW HILL EDUCATION.

Gaya MLA

BEER, FERDINAND, P.. et al. "MECHANICS OF MATERIALS: SEVENTH EDITION IN SI UNITS". ED.7 NEW YORK: MC GRAW HILL EDUCATION, 2015. Text.