Cita APA (7th ed.)

Stopford, M. (1997). Maritime economics (2a. ed.). Routledge.

Cita Chicago (17th ed.)

Stopford, Martin. Maritime Economics. 2a. ed. Londres: Routledge, 1997.

Cita MLA (9th ed.)

Stopford, Martin. Maritime Economics. 2a. ed. Routledge, 1997.