APA (7e ed.) Bronvermelding
Progoff, I. The Symbolic and the Real: A New Psychological Approach to the Fuller Experience of Personal Existence. McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Progoff, Ira. The Symbolic and the Real: A New Psychological Approach to the Fuller Experience of Personal Existence. Nueva York, EUA: McGraw-Hill.
MLA (9e ed.) Bronvermelding
Progoff, Ira. The Symbolic and the Real: A New Psychological Approach to the Fuller Experience of Personal Existence. McGraw-Hill.
Let op: Deze citaties zijn niet altijd 100% accuraat.