Learned, E. P. 1., & Learned, E. P. 1. (1936). Problems in marketing. New York, New York: McGraw-Hill.
Chicago Style CitationLearned, Edmund Philip 1900-1991, and Edmund Philip 1900-1991 Learned. Problems in Marketing. New York, New York: McGraw-Hill, 1936.
MLA CitationLearned, Edmund Philip 1900-1991, and Edmund Philip 1900-1991 Learned. Problems in Marketing. New York, New York: McGraw-Hill, 1936.
Warning: These citations may not always be 100% accurate.