Bureau international d'éducation & Bureau international d'éducation. (1977). Systems and policy: The function of information in improving education systems : national case studies of Argentina, Denmark, German Democratic Republic, Iraq, New Zealand. Unesco, International Bureau of Education.
Cytowanie według stylu Chicago (wyd. 17)Bureau international d'éducation i Bureau international d'éducation. Systems and Policy: The Function of Information in Improving Education Systems : National Case Studies of Argentina, Denmark, German Democratic Republic, Iraq, New Zealand. Paris: Unesco, International Bureau of Education, 1977.
Cytowanie według stylu MLA (wyd. 9)Bureau international d'éducation i Bureau international d'éducation. Systems and Policy: The Function of Information in Improving Education Systems : National Case Studies of Argentina, Denmark, German Democratic Republic, Iraq, New Zealand. Unesco, International Bureau of Education, 1977.