Egelston, R. R. (1981). Career planning materials: A guide to sources and their use. American Library Association.
Citazione stile Chigago Style (17a edizione)Egelston, Roberta Riethmiller. Career Planning Materials: A Guide to Sources and Their Use. Chicago: American Library Association, 1981.
Citatione MLA (9a ed.)Egelston, Roberta Riethmiller. Career Planning Materials: A Guide to Sources and Their Use. American Library Association, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.