Emery, Mary Ann
San Diago Harcourt Brace Jovanovich 1989,
Buku Teks
Cowan, Mary L.
Appleton-Century-Crofts, 1962
Buku Teks
Walton, Mary
Perigee Book, 1986
Buku Teks
Kohnke, Mary
The C.V.Mosby Company, 1982
Buku Teks
Cary, Richard
Twayne Publishers, 1967
Buku Teks