Noyes, Arthur P.
WB. Saunders, 1964
Buku Teks
Sarah Stringer, Laurence Church, Susan Davision, Maurice Lipsedge, editor
Oxford Univesity Press, 2009
Buku Teks
Olumoroti, Olumuyiwa John, author
Elsevier, 2005
Buku Teks
Noyes, Arthur P.
W.B. Saunders , 1958
Buku Teks
Nietzel, Michael T., author
Prentice-Hall, 1998
Buku Teks