Gaya APA
A., F., T.G., J. (1979).
Practical Navigation for Second Mates (Fourth Edition).
Glasgow:
Brown, Son & Ferguson, LTd.
Gaya MLA
A., Frost., T.G., Jones.
"Practical Navigation for Second Mates".
Fourth Edition
Glasgow:
Brown, Son & Ferguson, LTd,
1979.
Text.