Vortsman, H. (1993). Effective product to market management: A quality issue. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Vortsman, H.R. Effective Product to Market Management: A Quality Issue. New York: Prentice-Hall, 1993.
Citatione MLA (9a ed.)Vortsman, H.R. Effective Product to Market Management: A Quality Issue. Prentice-Hall, 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.