by Paul A. Freund [and others]
Little, Brown, 1954
Buku Teks
by Paul A. Freund [and others]
Little, Brown, 1966
Buku Teks
by Paul A. Freund [and others]
Little, Brown, 1961
Buku Teks
Kauper, Paul G., author
Little, Brown, 1971
Buku Teks
Keir, D. L. (David Lindsay), author
Oxford University Press, 1948
Buku Teks