Hill, N., & Stone, W. C. (1977). Success through possitive mental attinde. Pocket Boks.
Chicago Style citaatHill, Napolem, en W. Clement Stone. Success Through Possitive Mental Attinde. New York: Pocket Boks, 1977.
MLA citatieHill, Napolem, en W. Clement Stone. Success Through Possitive Mental Attinde. Pocket Boks, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.