Gaya APA
Assagioli, Roberto. (1975).
Psychosynthesis: A manual of principles and techniques .
London:
Penguin Books.
Gaya Chicago
Assagioli, Roberto.
Psychosynthesis: A manual of principles and techniques.
London:
Penguin Books,
1975.
Text.
Gaya MLA
Assagioli, Roberto.
Psychosynthesis: A manual of principles and techniques.
London:
Penguin Books,
1975.
Text.
Gaya Turabian
Assagioli, Roberto.
Psychosynthesis: A manual of principles and techniques.
London:
Penguin Books,
1975.
Print.