Gaya APA

BEER, F, P., Johnston, E, R. (1977). VECTOR MECHANICS FOR ENGINEERS DYNAMICS (3RD). New York: McGRAW-HILL.

Gaya MLA

BEER, Ferdinand, P.., Johnston, E., Russell.. "VECTOR MECHANICS FOR ENGINEERS DYNAMICS". 3RD New York: McGRAW-HILL, 1977. Textbook.