Cita APA (7th ed.)

Evans, J. J., & Marlow, P. (1990). Quantitative methods in maritime economics (2a. ed.). Fairplay.

Cita Chicago (17th ed.)

Evans, John J., i Peter Marlow. Quantitative Methods in Maritime Economics. 2a. ed. Londres: Fairplay, 1990.

Cita MLA (9th ed.)

Evans, John J., i Peter Marlow. Quantitative Methods in Maritime Economics. 2a. ed. Fairplay, 1990.