Παραπομπή APA

Hansen,Harry L. (1977). Marketing: Text and cases (4.). Richard D Irwin, Inc.

Παραπομπή Chicago Style

Hansen,Harry L. Marketing: Text and Cases. 4. Illinios: Richard D Irwin, Inc, 1977.

Παραπομπή MLA

Hansen,Harry L. Marketing: Text and Cases. 4. Richard D Irwin, Inc, 1977.