Gaya APA
H.G. Thuesen, dkk. (1977).
Engineering Economy (Ed.5).
New Jersey:
Prentice Hall.
Gaya Chicago
H.G. Thuesen, dkk.
Engineering Economy.
Ed.5
New Jersey:
Prentice Hall,
1977.
Buku TP.
Gaya MLA
H.G. Thuesen, dkk.
Engineering Economy.
Ed.5
New Jersey:
Prentice Hall,
1977.
Buku TP.
Gaya Turabian
H.G. Thuesen, dkk.
Engineering Economy.
Ed.5
New Jersey:
Prentice Hall,
1977.
Buku TP.