Boyd, Harper W., Jr., author
Richard D. Irwin, 1977
Buku Teks
prepared by the Committee on Marketing Research Techniques of the American Marketing Society ; Ferdinand C. Wheeler, chairman
McGraw-Hill, 1937
Buku Teks
Boyd, Harper W., Jr., author
Richard D. Irwin, 1956
Buku Teks
Kinnear, Thomas C., 1943-, author
McGraw-Hill, 1996
Buku Teks
Kinnear, Thomas C., 1943-, author
McGraw-Hill, 1983
Buku Teks