APA aipamena

BERKOWITZ ERIC N. (1989). MARKETING (2.). RICHARD D.IRWIN INC.

Chicago Style aipamena

BERKOWITZ ERIC N. MARKETING. 2. U.S.A: RICHARD D.IRWIN INC, 1989.

MLA aipamena

BERKOWITZ ERIC N. MARKETING. 2. RICHARD D.IRWIN INC, 1989.