Marshall, Catherine, author
Sage, 1999
Buku Teks
Hulley, Stephen, author
Lippincott Williams & Wilkins, 2007
Buku Teks
Goldsmith, Selwyn
McGraw-Hill, 1967
Buku Teks
Wheeler, Alina, author
Wiley, 2006
Buku Teks
Lyall, Sutherland, author
Thames and Hudson, 1991
Buku Teks