edited by Don K. Price
Prentice-Hall, 1960
Buku Teks
Maritain, Jacques
The University of Chicago Press, 1951
Buku Teks
Bunbongkarn, Suchit
Institute of southeast Asian studies, 1996
Buku Teks
Rivera, Temario C.
Institute of Southeast Asia studies, 1996
Buku Teks
Aaron, David, author
Pan Books, 1989
Buku Teks