Godee-Molsbergen, E.C.
Longman, Green, 1910
Buku Teks
Wiedner, Donald L. Donal Lawrence)
Random House, 1962
Buku Teks
Oxford University Press, 1995
Buku Teks
Murdock, George Peter, author
McGraw-Hill, 1959
Buku Teks
Murdock, George Peter, author
McGraw-Hill, 1959
Buku Teks