Gaya APA

Practical Navigation For Second Mates. (1981). London: A. Frost.

Gaya Chicago

Practical Navigation For Second Mates. . London: A. Frost, 1981. Text.

Gaya MLA

Practical Navigation For Second Mates. . London: A. Frost, 1981. Text.

Gaya Turabian

Practical Navigation For Second Mates. London: A. Frost, 1981. Print.