Dyfyniad APA
Hardy, L. (1971). Marketing for profit: A study in the formulation of commercial policy within the business organisation (2nd ed.). Longman.
Dyfyniad Arddull Chicago
Hardy, Leonard. Marketing for Profit: A Study in the Formulation of Commercial Policy Within the Business Organisation. 2nd ed. Harlow: Longman, 1971.
Dyfyniad MLA
Hardy, Leonard. Marketing for Profit: A Study in the Formulation of Commercial Policy Within the Business Organisation. 2nd ed. Longman, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.