Meade, Teresa A., author
Wiley-Blackwell, 2010
Buku Teks
Chase, Gilbert
McGraw-Hill, 1955
Buku Teks
Scott, Foresman and Co., 1987
Buku Teks
Herring, Hubert, author
Alfred A. Knopf, 1968
Buku Teks
Herring, Hubert, author
Alfred A. Knopf, 1956
Buku Teks