APA (7e ed.) Bronvermelding
UNESCO. (1970). Main trends of research in the social and human sciences: Part one: social sciences.
Chicago (17e ed.) Bronvermelding
UNESCO. Main Trends of Research in the Social and Human Sciences: Part One: Social Sciences. 1970.
MLA (9e ed.) Bronvermelding
UNESCO. Main Trends of Research in the Social and Human Sciences: Part One: Social Sciences. 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.