Cita APA (7a ed.)

Drewry Shipping Consultants. (1991). Tanker supply, demand and profitability to 1996. Drewry Shipping Consultants.

Cita Chicago Style (17a ed.)

Drewry Shipping Consultants. Tanker Supply, Demand and Profitability to 1996. London: Drewry Shipping Consultants, 1991.

Cita MLA (9a ed.)

Drewry Shipping Consultants. Tanker Supply, Demand and Profitability to 1996. Drewry Shipping Consultants, 1991.