Martin, C. Leslie, author
Macmillan, 1970
Buku Teks
Ching, Francis D.K., 1943-, author
John Wiley & Sons, 2003
Buku Teks
Aude, Karen, author
Rockport, 1999
Buku Teks
McGarry, Richard
John Wiley & Sons, 1992
Buku Teks
Oei Tek Han, J.
Kanisius, , 1988
Buku Teks