McDonald, Lee Cameron, author
Harcour Brace Jovanwich, 1968
Buku Teks
McDonald, Lee Cameron, author
Harcourt, Brace & World, 1968
Buku Teks
Sabine, George H., author
Dryden, 1973
Buku Teks
Sabine, George H., author
George G. Harrap, 1952
Buku Teks
Ake, Claude
The Dorsey Press, 1967
Buku Teks