Παραπομπή APA

Fitts, P., & Posner, M. (1969). Human performance. Prentice Hall of India.

Παραπομπή Chicago Style

Fitts, P.M, και M.I Posner. Human Performance. New Delhi: Prentice Hall of India, 1969.

Παραπομπή MLA

Fitts, P.M, και M.I Posner. Human Performance. Prentice Hall of India, 1969.