Gaya APA
WATT, Kenneth EF. (1968).
Ecology and Resource Management : A Quantitative Approach .
New York:
Mc Graw-Hill Book Company.
Gaya Chicago
WATT, Kenneth EF.
Ecology and Resource Management : A Quantitative Approach.
New York:
Mc Graw-Hill Book Company,
1968.
.
Gaya MLA
WATT, Kenneth EF.
Ecology and Resource Management : A Quantitative Approach.
New York:
Mc Graw-Hill Book Company,
1968.
.
Gaya Turabian
WATT, Kenneth EF.
Ecology and Resource Management : A Quantitative Approach.
New York:
Mc Graw-Hill Book Company,
1968.
.