Business conditions analysis
MLA
Lewis, John P. and Robert C. Turner. Business conditions analysis. Second edition. New York : McGraw-Hill, [1967]
APA
Lewis, J. & Turner, R. (1967). Business conditions analysis. Second edition. New York : McGraw-Hill.
Chicago
Lewis, John P. and Robert C. Turner. Business conditions analysis. Second edition. New York : McGraw-Hill, [1967]