Παραπομπή APA
Lerner, J. J., & Akmakjian, H. (1976). Schaum's outline of theory and problems of introduction to business. New York: McGraw-Hill.
Παραπομπή Chicago StyleLerner, Joel J., and Hiag Akmakjian. Schaum's Outline of Theory and Problems of Introduction to Business. New York: McGraw-Hill, 1976.
Παραπομπή MLALerner, Joel J., and Hiag Akmakjian. Schaum's Outline of Theory and Problems of Introduction to Business. New York: McGraw-Hill, 1976.
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