Gaya APA
BLANK, Leland. (2002).
Engineering economy (5th edition).
Boston:
McGraw Hill.
Gaya Chicago
BLANK, Leland.
Engineering economy.
5th edition
Boston:
McGraw Hill,
2002.
Monograf.
Gaya MLA
BLANK, Leland.
Engineering economy.
5th edition
Boston:
McGraw Hill,
2002.
Monograf.
Gaya Turabian
BLANK, Leland.
Engineering economy.
5th edition
Boston:
McGraw Hill,
2002.
Monograf.