304161 Williams, R. O., & Mixter, G. W. (1951). Navigation problems and solutions: Practical work, solutions, plotting, almanac data. New York : D. Van Nostrand.
Čikaški stil citiranja (17. izdanje)304161 Williams, Ramon O., i George Webber Mixter. Navigation Problems and Solutions: Practical Work, Solutions, Plotting, Almanac Data. New York : D. Van Nostrand, 1951.
MLA način citiranja (9. izdanje)304161 Williams, Ramon O., i George Webber Mixter. Navigation Problems and Solutions: Practical Work, Solutions, Plotting, Almanac Data. New York : D. Van Nostrand, 1951.
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