APA-viite (7. p.)
Hildebrand, J., & Barnes, G. G. (1998). Bridging the gap: A training module in personal and professional development. Karnac Books.
Chicago-viite (17. p.)
Hildebrand, Judy, ja Gill Gorell Barnes. Bridging the Gap: A Training Module in Personal and Professional Development. London: Karnac Books, 1998.
MLA-viite (9. p.)
Hildebrand, Judy, ja Gill Gorell Barnes. Bridging the Gap: A Training Module in Personal and Professional Development. Karnac Books, 1998.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.