Gaya APA
Newnan, D, G. (1991).
Solution manual engineering economic analysis Third Edition (Cet. Ke-1).
Jakarta:
Binarupa aksara.
Gaya MLA
Newnan, Donald, G..
"Solution manual engineering economic analysis Third Edition".
Cet. Ke-1
Jakarta:
Binarupa aksara,
1991.
Text.