APA (7e ed.) Bronvermelding

Não informado. (1969). Managerial planning. Planning Executives Institute.

Chicago (17e ed.) Bronvermelding

Não informado. Managerial Planning. Oxford, Inglaterra: Planning Executives Institute, 1969.

MLA (8e ed.) Bronvermelding

Não informado. Managerial Planning. Planning Executives Institute, 1969.

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