Walters, P. A. (1996). Fairplay marine computing guide 1996: A compreihensive international directory of computing software, systems and services for the marine industry. Surrey: Fairplay Publications Ltd..
Παραπομπή Chicago StyleWalters, Patricia A. Fairplay Marine Computing Guide 1996: A Compreihensive International Directory of Computing Software, Systems and Services for the Marine Industry. Surrey: Fairplay Publications Ltd., 1996.
Παραπομπή MLAWalters, Patricia A. Fairplay Marine Computing Guide 1996: A Compreihensive International Directory of Computing Software, Systems and Services for the Marine Industry. Surrey: Fairplay Publications Ltd., 1996.
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