Παραπομπή APA

Birney, R. C. (1969). Fear of failure. Van Nostrand Reinhold Company.

Παραπομπή Chicago Style

Birney, Robert C. Fear of Failure. New York: Van Nostrand Reinhold Company, 1969.

Παραπομπή MLA

Birney, Robert C. Fear of Failure. Van Nostrand Reinhold Company, 1969.