Gaya APA

Beer, F, P., Jr., E, R, J. (1977). Vector mechanics for engineers statics (3). New York, USA: McGraw-Hill Book Company.

Gaya MLA

Beer, Ferdinand, P.., Jr., E., Russell, Johnston,. "Vector mechanics for engineers statics". 3 New York, USA: McGraw-Hill Book Company, 1977. Agribisnis.