APA (7e ed.) Bronvermelding

Shartle, C. L. (1952). Occupational information, its development and application. Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Shartle, Carroll Leonard. Occupational Information, Its Development and Application. Englewood Cliffs, NJ: Prentice-Hall, 1952.

MLA (9e ed.) Bronvermelding

Shartle, Carroll Leonard. Occupational Information, Its Development and Application. Prentice-Hall, 1952.

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