(1988). Worldwide cruises and shiplines: Operating instructions and use of the OAG Worldwide cruise and shipline guide (2nd ed.). National Pub.
Chicagoスタイル(17版)引用形式Worldwide Cruises and Shiplines: Operating Instructions and Use of the OAG Worldwide Cruise and Shipline Guide. 2nd ed. Emlsford, N.Y: National Pub, 1988.
MLA(9版)引用形式Worldwide Cruises and Shiplines: Operating Instructions and Use of the OAG Worldwide Cruise and Shipline Guide. 2nd ed. National Pub, 1988.
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