Lua APA (7ú heag.)

LAMB CHARLES W. (1992). PRINCIPLES OF MARKETING. SOUTH-WESTERN COLLEGE PUBLISHING CO.

Lua i Stíl Chicago (17ú heag.)

LAMB CHARLES W. PRINCIPLES OF MARKETING. CINCINNATI: SOUTH-WESTERN COLLEGE PUBLISHING CO, 1992.

Lua MLA (9ú heag.)

LAMB CHARLES W. PRINCIPLES OF MARKETING. SOUTH-WESTERN COLLEGE PUBLISHING CO, 1992.

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