McGraw-Hill, 1970
Buku Teks
Lorsch, Jay W.
Homewood, IL. Richard D. Irwin 1972,
Buku Teks
Barney, Jay B.
Houghton Miffiln, 1992
Buku Teks
Assael, Henry
Kent Publishing Company, 1984
Buku Teks
edited by C. Edward Weber and Gerald Peters
International Textbook Company, 1969
Buku Teks