Finch, B. E., author
Charles C. Thomas, 1963
Buku Teks
Clowers, Myles L., author
McGraw-Hill, 1977
Buku Teks
DeLeon-Granados, William, author
Northeastern University Press, 2000
Buku Teks
Gardner, Helen, author
Harcourt, Brace and World, 1959
Buku Teks
Prabhakar Padhye, [T.th.]
Buku Teks