Cita APA (7a ed.)

Draffin, N. (2010). An introduction to bunker operations. Petrospot Ltd..

Cita Chicago Style (17a ed.)

Draffin, Nigel. An Introduction to Bunker Operations. Adderbury, Oxfordshire, England: Petrospot Ltd., 2010.

Cita MLA (9a ed.)

Draffin, Nigel. An Introduction to Bunker Operations. Petrospot Ltd., 2010.