APA (7e ed.) Bronvermelding

Harrell, T. (1964). Industrial Psychology (rev.). Oxford Book Co.

Chicago (17e ed.) Bronvermelding

Harrell, T. Industrial Psychology. rev. Calcutta: Oxford Book Co, 1964.

MLA (9e ed.) Bronvermelding

Harrell, T. Industrial Psychology. rev. Oxford Book Co, 1964.