Eggleton, R. (1975). The ALA Duplicates Exchange Union--A Study and Evaluation.
Citazione stile Chigago Style (17a edizione)Eggleton, Richard. The ALA Duplicates Exchange Union--A Study and Evaluation. 1975.
Citatione MLA (9a ed.)Eggleton, Richard. The ALA Duplicates Exchange Union--A Study and Evaluation. 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.