Vortsman, H. (1993). Effective product to market management: A quality issue. Prentice-Hall.
Цитирование в стиле Чикаго (17-е изд.)Vortsman, H.R. Effective Product to Market Management: A Quality Issue. New York: Prentice-Hall, 1993.
Цитирование MLA (9-е изд.)Vortsman, H.R. Effective Product to Market Management: A Quality Issue. Prentice-Hall, 1993.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.