APA (7e ed.) Bronvermelding

Singer, H. W. (1982). Technologies for basic needs (Second edition.). International Labour Office.

Chicago (17e ed.) Bronvermelding

Singer, H. W. Technologies for Basic Needs. Second edition. Geneva: International Labour Office, 1982.

MLA (8e ed.) Bronvermelding

Singer, H. W. Technologies for Basic Needs. Second edition. International Labour Office, 1982.

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