Yoshimichi Sato, author
Trans Pacific Press, 2006
Buku Teks
Smith, Anthony D., author
Longman, 1976
Buku Teks
Smith, Anthony D., author
Longman, 1976
Buku Teks
Martin, Brian, author
Freedom Press, 1993
Buku Teks
Moore, Wilbert E. (Wilbert Ellis), author
Prentice-Hall, 1963
Buku Teks