Forsythe, David P., 1941-
Cambridge University Press, 2000
Buku Teks
Mullerson, Rein
Routledge, 1997
Buku Teks
Mullerson, Rein
Routledge, 1997
Buku Teks
Lamchek, Jayson S.
Cambridge University Press, 2019
eBooks
Gibson, John S.
Praeger, 1991
Buku Teks