Gaya APA
Welch, Paul S.. (1952).
Limnology (2nd Ed.).
New York:
McGraw Hill Book Company.
Gaya Chicago
Welch, Paul S..
Limnology.
2nd Ed.
New York:
McGraw Hill Book Company,
1952.
Teks.
Gaya MLA
Welch, Paul S..
Limnology.
2nd Ed.
New York:
McGraw Hill Book Company,
1952.
Teks.
Gaya Turabian
Welch, Paul S..
Limnology.
2nd Ed.
New York:
McGraw Hill Book Company,
1952.
Teks.