APA Style
Riggs, james L. (1998).
Engineering economics (4).
New York:
McGraw-Hill.
Chicago Style
Riggs, james L.
Engineering economics.
4
New York:
McGraw-Hill,
1998.
Buku Teks.
MLA Style
Riggs, james L.
Engineering economics.
4
New York:
McGraw-Hill,
1998.
Buku Teks.
Turabian Style
Riggs, james L.
Engineering economics.
4
New York:
McGraw-Hill,
1998.
Buku Teks.