by Robert W. Parry ... [and others]
Prentice-Hall, 1970
Buku Teks
Wood, Jesse H., author
Evenston Harper, 1963
Buku Teks
Keenan, Charles W., author
Harper and Row, 1966
Buku Teks
Wood, Jesse H., author
Harper & Row, 1972
Buku Teks
Campbell, Richard D., author
Harcourt, Brace & World, 1968
Buku Teks