Lua APA (7ú heag.)
Buttle, F., & Maklan, S. (2022). Customer relationship management: Concepts and technologies (4th ed.). Routledge.
Lua i Stíl Chicago (17ú heag.)
Buttle, Francis, agus Stan Maklan. Customer Relationship Management: Concepts and Technologies. 4th ed. New York: Routledge, 2022.
Lua MLA (9ú heag.)
Buttle, Francis, agus Stan Maklan. Customer Relationship Management: Concepts and Technologies. 4th ed. Routledge, 2022.
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