Cita APA (7a ed.)

Fjermestad, J., & Romano, N. C. (2006). Electronic customer relationship management. M.E. Sharpe.

Cita Chicago Style (17a ed.)

Fjermestad, Jerry, y Nicholas C. Romano. Electronic Customer Relationship Management. Armonk, N.Y. ; London: M.E. Sharpe, 2006.

Cita MLA (8a ed.)

Fjermestad, Jerry, y Nicholas C. Romano. Electronic Customer Relationship Management. M.E. Sharpe, 2006.