A.B. Susanto, author
Kompas, 2001
Buku Teks
Bollens, John C., author
Harper and Row, 1975
Buku Teks
Bollens, John C., author
Harper and Row, 1970
Buku Teks
by John W. McConnell [and others]
Scottforesman , 1990
Buku Teks
Miller, Jane E., author
University of Chicago Press, 2005
Buku Teks