University of North Dakota. Graduate School. Bulletin of the University of North Dakota: Abstracts of Doctoral Dissertations and Master's Theses. University of North Dakota.
Cita Chicago Style (17a ed.)University of North Dakota. Graduate School. Bulletin of the University of North Dakota: Abstracts of Doctoral Dissertations and Master's Theses. North Dakota: University of North Dakota.
Cita MLA (9a ed.)University of North Dakota. Graduate School. Bulletin of the University of North Dakota: Abstracts of Doctoral Dissertations and Master's Theses. University of North Dakota.
Precaución: Estas citas no son 100% exactas.