Pithers, B. (1987). Psychology of retention and transfer. Institute of Technical and Adult Teacher Education of Sydney College of Advanced Education.

Pithers, Bob. Psychology of Retention and Transfer. [Haymarket, N.S.W.]: Institute of Technical and Adult Teacher Education of Sydney College of Advanced Education, 1987.

Pithers, Bob. Psychology of Retention and Transfer. Institute of Technical and Adult Teacher Education of Sydney College of Advanced Education, 1987.