Williamson, W. L. (1971). Assistance to Libraries in Developing Nations: Papers on Comparative Studies.
Citazione stile Chigago Style (17a edizione)Williamson, William L. Assistance to Libraries in Developing Nations: Papers on Comparative Studies. 1971.
Citatione MLA (9a ed.)Williamson, William L. Assistance to Libraries in Developing Nations: Papers on Comparative Studies. 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.