Wynne, M. P. (1987). Sci-tech selling: Selling scientific and technical products and services. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Wynne, Michael P. Sci-tech Selling: Selling Scientific and Technical Products and Services. Englewood Cliffs, N.J.: Prentice-Hall, 1987.
Citatione MLA (8a ed.)Wynne, Michael P. Sci-tech Selling: Selling Scientific and Technical Products and Services. Prentice-Hall, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.