Lua APA (7ú heag.)

ASSAEL HENRY. (1993). MARKETING PRINCIPLES AND STRATEGY (2ND.). DRYDEN PRESS.

Lua i Stíl Chicago (17ú heag.)

ASSAEL HENRY. MARKETING PRINCIPLES AND STRATEGY. 2ND. FORTWORTH: DRYDEN PRESS, 1993.

Lua MLA (9ú heag.)

ASSAEL HENRY. MARKETING PRINCIPLES AND STRATEGY. 2ND. DRYDEN PRESS, 1993.

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