Cita APA (7a ed.)

DOUGLAS, S. P. (1983). International Marketing Research / Susan P. Douglas And C. Samuel Craig. Prentice Hall.

Cita Chicago Style (17a ed.)

DOUGLAS, Susan P. International Marketing Research / Susan P. Douglas And C. Samuel Craig. Prentice Hall, 1983.

Cita MLA (8a ed.)

DOUGLAS, Susan P. International Marketing Research / Susan P. Douglas And C. Samuel Craig. Prentice Hall, 1983.