Gaya APA
LAWS, Edward A.. (1981).
Aquatic Pollution .
New York:
John Wilet & Sons.
Gaya Chicago
LAWS, Edward A..
Aquatic Pollution.
New York:
John Wilet & Sons,
1981.
.
Gaya MLA
LAWS, Edward A..
Aquatic Pollution.
New York:
John Wilet & Sons,
1981.
.
Gaya Turabian
LAWS, Edward A..
Aquatic Pollution.
New York:
John Wilet & Sons,
1981.
.