editor, Frederick S. Merritt
McGraw-Hill, 1968
Buku Referensi
Vazirani, V.N., author
Khana Publishers, 1980
Buku Referensi
Rosaler, Robert C.
McGraw-Hill, 2002
Buku Referensi
edited by Edwin H. Gaylord, Jr., Charles N. Gaylord
McGraw-Hill, 1980
Buku Referensi
edited by Gavriel Salvendy
John Wiley & Sons, 1991
Buku Referensi