MacDonald, Pia D.M., author
Jones & Bartlett Learning, 2012
Buku Teks
edited by Michael B. Gregg
Oxford University Press, 2002
Buku Teks
MacMahon, Brian, author
Little, Brown and Company, 1970
Buku Teks
Checkoway, Harvey
Oxford University Press , 1989
Buku Teks
by Harvey Checkoway, Neil Pearce, Douglas J. Crawford-Brown
Oxford University Press, 1989
Buku Teks