Παραπομπή APA

Osborne, C. G. (1973). The art of understanding yourself. St. Paul Society.

Παραπομπή Chicago Style

Osborne, Cecil G. The Art of Understanding Yourself. Allahabad: St. Paul Society, 1973.

Παραπομπή MLA

Osborne, Cecil G. The Art of Understanding Yourself. St. Paul Society, 1973.