International Bureau of Education & Titmus, C. J. (1979). Terminology of adult education =: Terminología de la educación de adultos = Terminologie de l'éducation des adultes. Unesco.
Citazione stile Chigago Style (17a edizione)International Bureau of Education e Colin J. Titmus. Terminology of Adult Education =: Terminología De La Educación De Adultos = Terminologie De L'éducation Des Adultes. Paris: Unesco, 1979.
Citatione MLA (8a ed.)International Bureau of Education e Colin J. Titmus. Terminology of Adult Education =: Terminología De La Educación De Adultos = Terminologie De L'éducation Des Adultes. Unesco, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.