(1973). Directory of Libraries and Information Centres in the Field of Literacy. 1973 Edition.
Citazione stile Chigago Style (17a edizione)Directory of Libraries and Information Centres in the Field of Literacy. 1973 Edition. 1973.
Citatione MLA (9a ed.)Directory of Libraries and Information Centres in the Field of Literacy. 1973 Edition. 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.