Gaya APA
Kirk, V. (1987).
Principales of fisheries management winter - spring 1987 .
Mercu buana:
Kinko's Professor Publising Copies.
Gaya MLA
Kirk, Van.
"Principales of fisheries management winter - spring 1987".
Mercu buana:
Kinko's Professor Publising Copies,
1987.
Text.