एपीए उद्धरण

 Gibson, P. (2019).  Cruise operations mangement: Hospitality perspectives.  Routledge.

शिकागो स्टाइल उद्धरण

 Gibson, Philip.  Cruise Operations Mangement: Hospitality Perspectives.  Routledge, 2019.

एमएलए उद्धरण

 Gibson, Philip.  Cruise Operations Mangement: Hospitality Perspectives.  Routledge, 2019.