Comprehensive dissertation index.
Supplement.
APA Citation
Xerox University Microfilms., University Microfilms International. Comprehensive dissertation index. Ann Arbor, Mich.: University Microfilms International [etc.].
MLA Citation
Xerox University Microfilms, and University Microfilms International. Comprehensive Dissertation Index. Ann Arbor, Mich.: University Microfilms International [etc.],
Warning: These citations may not always be complete (especially for serials).