Hughes, Herb
NJ : Creative Homeowner Press, 1996
Buku Teks
Abrosimov, K.
Mir Publishers, [19?-]
Buku Teks
Thomas, Shane A.
W.B. Saunders, 1991
Buku Teks
Linley, David, 1961-, author
David Linley, Charles Cator, Helen Chislett, 2009
Buku Referensi
Westview Press, 1980
Buku Teks