APA (7e ed.) Bronvermelding

sack, k., & linsel, h. (1965). general organization of planning of industry. National Planning Institute.

Chicago (17e ed.) Bronvermelding

sack, kurt, en hermann linsel. General Organization of Planning of Industry. cairo: National Planning Institute, 1965.

MLA (9e ed.) Bronvermelding

sack, kurt, en hermann linsel. General Organization of Planning of Industry. National Planning Institute, 1965.

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