APA (7e ed.) Bronvermelding

Watts, F. (1921). An introduction to the psychological problems of industry. Allen & Unwin.

Chicago (17e ed.) Bronvermelding

Watts, Frank. An Introduction to the Psychological Problems of Industry. London: Allen & Unwin, 1921.

MLA (8e ed.) Bronvermelding

Watts, Frank. An Introduction to the Psychological Problems of Industry. Allen & Unwin, 1921.

Let op: Deze citaties zijn niet altijd 100% accuraat.