Παραπομπή APA

Teyler, T. J. (1972). Altered states of awareness. W . H Freeman and Company.

Παραπομπή Chicago Style

Teyler, T J. Altered States of Awareness. Sanfrancisco: W . H Freeman and Company, 1972.

Παραπομπή MLA

Teyler, T J. Altered States of Awareness. W . H Freeman and Company, 1972.