Pilditch, J. (1961). The silent salesman: How to develop packing that sells. Business publications.
Chicago-stil citatPilditch, James. The Silent Salesman: How to Develop Packing That Sells. London: Business publications, 1961.
MLA-referensPilditch, James. The Silent Salesman: How to Develop Packing That Sells. Business publications, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.