Παραπομπή APA

Hart, L. B. (1999). Faultless facilitation. Viva books.

Παραπομπή Chicago Style

Hart, Louis B. Faultless Facilitation. New Delhi: Viva books, 1999.

Παραπομπή MLA

Hart, Louis B. Faultless Facilitation. Viva books, 1999.