APA-referens

Wells, L. (1972). The product life cyle and nternational trade. Havard: President and Fellows of Havard College.

Chicago-stil citat

Wells, Louis. The Product Life Cyle and Nternational Trade. Havard: President and Fellows of Havard College, 1972.

MLA-referens

Wells, Louis. The Product Life Cyle and Nternational Trade. Havard: President and Fellows of Havard College, 1972.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.