Gaya APA
The Shipmaster's Business Companion 4th Ed. (2013).
USA:
The Nautical Institute.
Gaya Chicago
The Shipmaster's Business Companion 4th Ed.
Ed. 4.
USA:
The Nautical Institute,
2013.
Text.
Gaya MLA
The Shipmaster's Business Companion 4th Ed.
Ed. 4.
USA:
The Nautical Institute,
2013.
Text.
Gaya Turabian
The Shipmaster's Business Companion 4th Ed.
USA:
The Nautical Institute,
2013.
Print.