edited by I.H. Gould
North-Holland , 1971
Buku Teks
Spencer, Donald D., author
Charles E. Merrill, 1982
Buku Teks
Mandell, Steven L., author
West Publishing, 1982
Buku Teks
Cashman, Thomas J., author
Anaheim Publishing, 1970
Buku Teks
Awad, Elias M., author
Prentice-Hall, 1966
Buku Teks