Citazione Stile APA (7a Edizione)

(1988). Worldwide cruises and shiplines: Operating instructions and use of the OAG Worldwide cruise and shipline guide (2nd ed.). National Pub.

Citazione stile Chigago Style (17a edizione)

Worldwide Cruises and Shiplines: Operating Instructions and Use of the OAG Worldwide Cruise and Shipline Guide. 2nd ed. Emlsford, N.Y: National Pub, 1988.

Citatione MLA (9a ed.)

Worldwide Cruises and Shiplines: Operating Instructions and Use of the OAG Worldwide Cruise and Shipline Guide. 2nd ed. National Pub, 1988.