Comparison and Contrast of the APA Ethical Principles And Saint Leo University Core Values. This seven-page undergraduate paper is a comparison/contrast of APA ethical principles and St. Leo core values. 2 notes: APA style is appropriate, since MLA would be a contradiction. The Belgian trial mentioned continues, and is a perfect illustration of St. Leo's defect, as compared with the APA. 7 pgs. Bibliography lists 4 sources. Pages: 7 Bibliography: 4 source(s) listed Filename: 6938 APA Ethical Principles.doc Price: 62.65