Gaya APA
Beer, F, P., Johnston, J, E, R. (1988).
Vector mechanics for engineers: statics (5th ed).
New York:
McGraw-Hill Book Co..
Gaya MLA
Beer, Ferdinand, P.., Johnston, JR., E., Russell..
"Vector mechanics for engineers: statics".
5th ed
New York:
McGraw-Hill Book Co.,
1988.
Printed Book.