edited by James L. Gibson
Tex Business Publications , 1982
Buku Teks
edited by Mason Haire
John Wiley & Sons, 1959
Buku Teks
Gibson, James L., author
Irwin, 1994
Buku Teks
Pareek, Udai
Pustaka Binaman Pressindo, 1984
Buku Teks
Udai Parrek
Pustaka Binaman Pressindo, 1985
Buku Teks