Rosman, Abraham, author
Random House, 1989
Buku Teks
Hammond, Peter, author
Macmillan, 1978
Buku Teks
Kottak, Conrad Phillip, author
McGraw-Hill, 2012
Buku Teks
Nanda, Serena, author
Wadsworth, 2002
Buku Teks
Miller, Barbara D., author
Pearson Education, 2005
Buku Teks