Cita APA (7a ed.)

Drewry Shipping Consultants. (1987). Drewtank: Methodology and sample output. Drewery Shipping Consultans Ltd.

Cita Chicago Style (17a ed.)

Drewry Shipping Consultants. Drewtank: Methodology and Sample Output. London: Drewery Shipping Consultans Ltd, 1987.

Cita MLA (9a ed.)

Drewry Shipping Consultants. Drewtank: Methodology and Sample Output. Drewery Shipping Consultans Ltd, 1987.