Fulton-Calkins, P., Hanks, J. D., & Stultz, K. M. (2000). Procedures for the office professional (4th ed.). South-Western Educational Pub.
Chicago Style aipamenaFulton-Calkins, Patsy, Joanna D. Hanks, and Karin M. Stultz. Procedures for the Office Professional. 4th ed. Australia, Cincinnati, Ohio: South-Western Educational Pub, 2000.
MLA aipamenaFulton-Calkins, Patsy, et al. Procedures for the Office Professional. 4th ed. South-Western Educational Pub, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.