Meyer, J. G.
Follett Publishing Company, 1957
Buku Teks
Meyer, Alfred G.
Harvard University Press, 1954
Buku Teks
Dobbs-Higginson, Michael S., author
Longman, 1993
Buku Teks
Meyer, Alfred G.
Random House, 1965
Buku Teks
Meyer, Robert G., author
Allyn and Bacon, 1988
Buku Teks