McSpadden, C. B. An Experimental Investigation of the Relative Effectiveness of Two Methods of Teaching Mechanical Drawing. Denton, Texas. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc163814/. Accessed November 29, 2015.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.