Cita APA (7a ed.)

Spencer, J. (1994). Principles of international marketing. [s.n].

Cita Chicago Style (17a ed.)

Spencer, Julia. Principles of International Marketing. Blackwell Oxford: [s.n], 1994.

Cita MLA (9a ed.)

Spencer, Julia. Principles of International Marketing. [s.n], 1994.

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