Gaya APA
Blank, Leland. (2002).
Engineering economy .
New York:
Mc Graw Hill.
Gaya Chicago
Blank, Leland.
Engineering economy.
New York:
Mc Graw Hill,
2002.
.
Gaya MLA
Blank, Leland.
Engineering economy.
New York:
Mc Graw Hill,
2002.
.
Gaya Turabian
Blank, Leland.
Engineering economy.
New York:
Mc Graw Hill,
2002.
.