APA aipamena

Gummesson, E. (1999). Total relationship marketing. Butterworth Heinemann.

Chicago Style aipamena

Gummesson, Evert. Total Relationship Marketing. Oxford: Butterworth Heinemann, 1999.

MLA aipamena

Gummesson, Evert. Total Relationship Marketing. Butterworth Heinemann, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.