Gaya APA
Clark, R.B.. (1989).
Marine pollution .
New York:
Clarendon Press. Oxford.
Gaya Chicago
Clark, R.B..
Marine pollution.
New York:
Clarendon Press. Oxford,
1989.
.
Gaya MLA
Clark, R.B..
Marine pollution.
New York:
Clarendon Press. Oxford,
1989.
.
Gaya Turabian
Clark, R.B..
Marine pollution.
New York:
Clarendon Press. Oxford,
1989.
.