Stafford, William, author
McGraw-Hill, 1966
Buku Teks
Dietsch, Betty Mattix, author
McGraw-Hill, 2003
Buku Teks
Dietsch, Betty Mattix, author
McGraw-Hill, 2003
Buku Teks
Sheridan, Harriet W.
Harcourt, Brace & World, Inc., 1966
Koleksi Publik
Kreuzer, James R., author
Rineharta and Winston, 1960
Buku Teks