Rachels, James, 1941-2003, author
McGraw-Hill , 2012
Buku Teks
Bertens, K. (Kees), author
Kanisius, 2004
Buku Teks
Zakiah Daradjat, author
Bulan Bintang, 1975
Buku Teks
Sadurski, Wojciech
Kluwer Academic , 1990
Buku Teks
Bertens, K. (Kees), author
Kanisius, 2003
Buku Teks