Παραπομπή σε μορφή APA (7η εκδ.)

McCombs, G. M. (1991). Access, services: The convergence of reference and technical services. Haworth Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

McCombs, Gillian M. Access, Services: The Convergence of Reference and Technical Services. New York: Haworth Press, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

McCombs, Gillian M. Access, Services: The Convergence of Reference and Technical Services. Haworth Press, 1991.