Stanhope, Marcia, author
EGC, 1998
Buku Teks
Bailon, Salvacion G., author
S.G Bailon and A.S Maglaya, 1978
Buku Teks
edited by Barbara Walton Spradley
Little, Brown, 1986
Buku Teks
Pasquali, Elaine Anne, author
Mosby , 1985
Buku Teks
Pasquali, Elaine Anne, author
Mosby , 1989
Buku Teks