Gaya APA
Handbook of environmental engineering calculations. (1999).
New York:
Mc Graw Hill.
Gaya Chicago
Handbook of environmental engineering calculations.
.
New York:
Mc Graw Hill,
1999.
.
Gaya MLA
Handbook of environmental engineering calculations.
.
New York:
Mc Graw Hill,
1999.
.
Gaya Turabian
Handbook of environmental engineering calculations.
New York:
Mc Graw Hill,
1999.
.