Study problems in business statistics,
by M. A. Brumbaugh and Robert Riegel.
APA Citation
Brumbaugh, M. Allen., Riegel, R. (1935). Study problems in business statistics. New York: American book company.
MLA Citation
Brumbaugh, Martin Allen, 1896-, and Robert Riegel. Study Problems In Business Statistics. New York: American book company, 1935.
Warning: These citations may not always be complete (especially for serials).