Martel, L. D. (2003). The seven secrets of learning revealed: What your teacher never taught you, because your teacher never knew. Cameo Publications.
Chicago-Zitierstil (17. Ausg.)Martel, Laurence D. The Seven Secrets of Learning Revealed: What Your Teacher Never Taught You, Because Your Teacher Never Knew. Hilton Head Island, SC: Cameo Publications, 2003.
MLA-Zitierstil (9. Ausg.)Martel, Laurence D. The Seven Secrets of Learning Revealed: What Your Teacher Never Taught You, Because Your Teacher Never Knew. Cameo Publications, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.