Stone, B., & Villamizar Herrera, J. (1989). Manual de mercadeo directo. Legis.
Chicago Style (17th ed.) CitationStone, Bob, and Jesús Villamizar Herrera. Manual De Mercadeo Directo. Bogotá: Legis, 1989.
MLA (9th ed.) CitationStone, Bob, and Jesús Villamizar Herrera. Manual De Mercadeo Directo. Legis, 1989.
Warning: These citations may not always be 100% accurate.