Spillard, P. (1975). Sales promotion (2nd ed.). Business books.
Chicago Edition CitationSpillard, P. Sales Promotion. 2nd ed. Business books, 1975.
ציטוט MLASpillard, P. Sales Promotion. 2nd ed. Business books, 1975.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.