Gaya APA
W.A, M, E. (1983).
Blue Book of Question & Answers for Second Mate, Chief Mate, Master (Third Edition).
Centreville, Maryland:
Cornell Maritime Press, Inc.
Gaya MLA
W.A, Mac, Ewen.
"Blue Book of Question & Answers for Second Mate, Chief Mate, Master".
Third Edition
Centreville, Maryland:
Cornell Maritime Press, Inc,
1983.
Text.