Lua APA (7ú heag.)

GUILTINAN JOSEPH P. MARKETING MANAGEMENT STRATERGIES AND PROGRAMS (2ND.). MCGRAW-HILL.

Lua i Stíl Chicago (17ú heag.)

GUILTINAN JOSEPH P. MARKETING MANAGEMENT STRATERGIES AND PROGRAMS. 2ND. NEW YORK: MCGRAW-HILL.

Lua MLA (9ú heag.)

GUILTINAN JOSEPH P. MARKETING MANAGEMENT STRATERGIES AND PROGRAMS. 2ND. MCGRAW-HILL.

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