Birsch, D., & Douglas Birsch. Ethical insights: Brief introduction. Boston: McGraw Hill.
Trích dẫn kiểu ChicagoBirsch, Douglas, và Douglas Birsch. Ethical Insights: Brief Introduction. Boston: McGraw Hill.
ציטוט MLABirsch, Douglas, và Douglas Birsch. Ethical Insights: Brief Introduction. Boston: McGraw Hill.
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