APA (7e ed.) Bronvermelding

sack, k., & linsel, h. (1966). general organization of planning of industry (ed. 2.). National Planning Institute.

Chicago (17e ed.) Bronvermelding

sack, kurt, en hermann linsel. General Organization of Planning of Industry. ed. 2. cairo: National Planning Institute, 1966.

MLA (9e ed.) Bronvermelding

sack, kurt, en hermann linsel. General Organization of Planning of Industry. ed. 2. National Planning Institute, 1966.

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