Gaya APA

Progoff, I. (1983). Life-study: Experiencing creative lives by the 'Intensive Journal' method. . New York: New York Dialogue House Library.

Gaya MLA

Progoff, Ira. "Life-study: Experiencing creative lives by the 'Intensive Journal' method. ". New York: New York Dialogue House Library, 1983. Buku.