Tohutoro APA (7th ed.)
ebrary, Inc, Fjermestad, J., & Romano, N. C. (2006). Electronic customer relationship management. M.E. Sharpe.
Tohutoru Kātū Chicago (17th ed.)
ebrary, Inc, Jerry Fjermestad, me Nicholas C. Romano. Electronic Customer Relationship Management. Armonk, N.Y. ; London: M.E. Sharpe, 2006.
Tohutoro MLA (9th ed.)
ebrary, Inc, et al. Electronic Customer Relationship Management. M.E. Sharpe, 2006.
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