Educational publishers. Editeurs scolaires & United Educational, Scientific and Cultural Organization. (1962). Editors de publicaciones pedagogicas. Unesco.
Citazione stile Chigago Style (17a edizione)Educational publishers. Editeurs scolaires e Scientific and Cultural Organization United Educational. Editors De Publicaciones Pedagogicas. Paris: Unesco, 1962.
Citatione MLA (9a ed.)Educational publishers. Editeurs scolaires e Scientific and Cultural Organization United Educational. Editors De Publicaciones Pedagogicas. Unesco, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.