Organisation for Economic Co-operation and Development. (1977). Learning opportunities for adults. Organisation for Economic Co-operation and Development.
Citazione stile Chigago Style (17a edizione)Organisation for Economic Co-operation and Development. Learning Opportunities for Adults. Paris: Organisation for Economic Co-operation and Development, 1977.
Citatione MLA (9a ed.)Organisation for Economic Co-operation and Development. Learning Opportunities for Adults. Organisation for Economic Co-operation and Development, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.