Baran, R. J. &. G. J. (2017). Customer Relationship Management: The Foundation of Contemporary Marketing Strategy. Cengage Learning India Pvt. Ltd.
Chicago-viite (17. p.)Baran, Roger J & Galka,Robert J. Customer Relationship Management: The Foundation of Contemporary Marketing Strategy. New Delhi: Cengage Learning India Pvt. Ltd, 2017.
MLA-viite (9. p.)Baran, Roger J & Galka,Robert J. Customer Relationship Management: The Foundation of Contemporary Marketing Strategy. Cengage Learning India Pvt. Ltd, 2017.
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