Ward, Ian, author
Routledge. Cavendish. Taylor & Francis Group, 2004
Buku Teks
Sole, Mary Lou, author
Elsevier , 2005
Buku Teks
Sole, Mary Lou, author
W.B. Saunders, 2001
Buku Teks
Viren Swami
BPS Blackwell, 2011
Buku Teks
by Gregory Bassham [and others]
McGraw-Hill, 2013
Buku Teks