Παραπομπή σε μορφή APA (7η εκδ.)

Gambescia, S. F., & González-McDevitt, E. (2005). Managing A Public Speaker Bureau: A Manual for Health and Human Services Organizations. Springer US : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gambescia, Stephen F., και Evelyn González-McDevitt. Managing A Public Speaker Bureau: A Manual for Health and Human Services Organizations. Boston, MA: Springer US : Imprint: Springer, 2005.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gambescia, Stephen F., και Evelyn González-McDevitt. Managing A Public Speaker Bureau: A Manual for Health and Human Services Organizations. Springer US : Imprint: Springer, 2005.