APA (7e ed.) Bronvermelding

Unesco. (1968). The Social sciences. Problems and orientations: Les sciences sociales. Problemes et orientations. Selected studies/Choix d'etudes. Mouton; Unesco.

Chicago (17e ed.) Bronvermelding

Unesco. The Social Sciences. Problems and Orientations: Les Sciences Sociales. Problemes Et Orientations. Selected Studies/Choix D'etudes. The Hague, Paris: Mouton; Unesco, 1968.

MLA (8e ed.) Bronvermelding

Unesco. The Social Sciences. Problems and Orientations: Les Sciences Sociales. Problemes Et Orientations. Selected Studies/Choix D'etudes. Mouton; Unesco, 1968.