Lua APA (7ú heag.)

QUELCH, J. A. (1989). Sales Promotion Management. Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

QUELCH, John A. Sales Promotion Management. Prentice-Hall, 1989.

Lua MLA (8ú heag.)

QUELCH, John A. Sales Promotion Management. Prentice-Hall, 1989.

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