APA (7e ed.) Bronvermelding

AUSTIN , B. (1989). MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB.

Chicago (17e ed.) Bronvermelding

AUSTIN , BRUCE. MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB, 1989.

MLA (9e ed.) Bronvermelding

AUSTIN , BRUCE. MAKING EFFECTIVE USE OF EXECUTIVE TIME. STERLING PUB, 1989.

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