Rachels, James, 1941-2003, author
McGraw-Hill, 1998
Buku Teks
Donaldson, Thomas, author
McGraw-Hill, 1986
Buku Teks
Stephen Satris, editor
McGraw-Hill, 2012
Buku Teks
Anesaki, Masaharu, author
Charles E. Tuttle , 1975
Buku Teks
Afry adi Chandra, author
Fakultas Ilmu Budaya Universitas Sebelas Maret, 2017
Artikel Jurnal