APA (7e ed.) Bronvermelding

BITTEL LESTER R. (1978). WHAT EVERY SUPERVISOR SHOULD KNOW. T M H.

Chicago (17e ed.) Bronvermelding

BITTEL LESTER R. WHAT EVERY SUPERVISOR SHOULD KNOW. NEW DELHI: T M H, 1978.

MLA (9e ed.) Bronvermelding

BITTEL LESTER R. WHAT EVERY SUPERVISOR SHOULD KNOW. T M H, 1978.