Grey, M. (1980). Changing course: A second career for seafarers ashore in the marine industry. Fairplay.
Tohutoru Kātū Chicago (17th ed.)Grey, Michael. Changing Course: A Second Career for Seafarers Ashore in the Marine Industry. Londres: Fairplay, 1980.
Tohutoro MLA (9th ed.)Grey, Michael. Changing Course: A Second Career for Seafarers Ashore in the Marine Industry. Fairplay, 1980.
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