Cita APA (7th ed.)

Draffin, N. (2013). An introduction to LNG bunkering. Published by Petrospot Ltd..

Cita Chicago (17th ed.)

Draffin, Nigel. An Introduction to LNG Bunkering. Oxfordshire: Published by Petrospot Ltd., 2013.

Cita MLA (9th ed.)

Draffin, Nigel. An Introduction to LNG Bunkering. Published by Petrospot Ltd., 2013.