APA ציטוט

Sarna. (2010). Formers cruises and ports of call (7.). Wiley.

Chicago Edition Citation

Sarna. Formers Cruises and Ports of Call. 7. Wiley, 2010.

ציטוט MLA

Sarna. Formers Cruises and Ports of Call. 7. Wiley, 2010.