House, J.E.
Wm. C. Brown, 1997
Buku Teks
Billing, Gert D., author
John Wiley & Sons, 1997
Buku Teks
Logan, S.R.
Longman, 1996
Buku Teks
Marin, Guy B., author
John Wiley & Sons, Incorporated, 2018
Buku Teks
Connors, Kenneth A. (Kenneth Antonio), 1932-, author
VCH, 1990
Buku Teks