Simonds, John Ormsbee, author
McGraw-Hill, 1994
Buku Teks
Simonds, John Ormsbee, author
McGraw-Hill , 1994
Buku Teks
Princeton University Press, 1980
Buku Teks
edited by P. Ebow Bondzi-Simpson
Praeger, 1992
Buku Teks
Edited by Richard Jolly... [at al]
Penguin Education, 1973
Buku Teks