edited by Robert R. Rich
Elsevier Saunders, 2013
Buku Teks
Abbas, Abul K., author
W.B. Saunders, 1994
Buku Teks
Spickett, Gavin
Oxford University Press, 1999
Buku Referensi
Clark, William R., author
John Wiley & Sons, [Date of publication not identified]
Buku Teks
Coico, Richard, author
John Wiley & Sons, 2015
Buku Teks