Xerox University Microfilms. Herausgebendes Organ & University Microfilms. Herausgebendes Organ. (1973). Comprehensive dissertation index: CDI. ProQuest Information and Learning Co.
Citazione stile Chigago Style (17a edizione)Xerox University Microfilms. Herausgebendes Organ e University Microfilms. Herausgebendes Organ. Comprehensive Dissertation Index: CDI. Ann Arbor, Mich: ProQuest Information and Learning Co, 1973.
Citatione MLA (9a ed.)Xerox University Microfilms. Herausgebendes Organ e University Microfilms. Herausgebendes Organ. Comprehensive Dissertation Index: CDI. ProQuest Information and Learning Co, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
