Cita APA (7a ed.)

Drewry Shipping Consultants. (1987). Drewtank: An interactive computer-based forecasting model for the tanker industry : prospectus. Drewry Shipping Consultants.

Cita Chicago Style (17a ed.)

Drewry Shipping Consultants. Drewtank: An Interactive Computer-based Forecasting Model for the Tanker Industry : Prospectus. London: Drewry Shipping Consultants, 1987.

Cita MLA (9a ed.)

Drewry Shipping Consultants. Drewtank: An Interactive Computer-based Forecasting Model for the Tanker Industry : Prospectus. Drewry Shipping Consultants, 1987.

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