APA-viite (7. p.)
Hardy, L. (1971). Marketing for profit: A study in the formulation of commercial policy within the business organisation (2nd ed.). Longman.
Chicago-viite (17. p.)
Hardy, Leonard. Marketing for Profit: A Study in the Formulation of Commercial Policy Within the Business Organisation. 2nd ed. Harlow: Longman, 1971.
MLA-viite (9. p.)
Hardy, Leonard. Marketing for Profit: A Study in the Formulation of Commercial Policy Within the Business Organisation. 2nd ed. Longman, 1971.
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