editor, Milton Kaufman, Arthur H. Seidman
McGraw-Hill, 1984
Buku Referensi
edited by Robert W. Landee, Donovan C. Davis, Albert P. Albrecht
McGraw-Hill, 1977
Buku Referensi
Charles A. Harper, editor-in-chief
McGraw-Hill, 1977
Buku Referensi
Olsen, George H., author
Prentice-Hall, 1980
Buku Referensi
Jones, Thomas H., author
Reston Publishing Company, 1978
Buku Referensi