APA aipamena

GRIKSCHEIT GRAY M. (1981). HANDBOOK OF SELLING. JOHN WILEY AND SONS.

Chicago Style aipamena

GRIKSCHEIT GRAY M. HANDBOOK OF SELLING. NEW DELHI: JOHN WILEY AND SONS, 1981.

MLA aipamena

GRIKSCHEIT GRAY M. HANDBOOK OF SELLING. JOHN WILEY AND SONS, 1981.