Citazione Stile APA (7a Edizione)

Petit, A. (1994). Secrets to enliven learning: How to develop extraordinary self-directed training materials. Pfeiffer.

Citazione stile Chigago Style (17a edizione)

Petit, Ann. Secrets to Enliven Learning: How to Develop Extraordinary Self-directed Training Materials. Amsterdam: Pfeiffer, 1994.

Citatione MLA (9a ed.)

Petit, Ann. Secrets to Enliven Learning: How to Develop Extraordinary Self-directed Training Materials. Pfeiffer, 1994.