Dalrymple, Douglas J.
John Wiley & Sons, 1990
Buku Teks
Dalrymple, Douglas J.
John Wiley & Sons, 1995
Buku Teks
Boyd, Harper W., Jr.
Richard D. Irwin, 1958
Buku Teks
Dalrymple, Douglas J.
John Wiley & Sons, 1983
Buku Teks
Ferrell, O.C.
Thomson South-Western, 2008
Buku Teks