Levine, Ruth R.
Little, Brown & Co., 1973
Buku Teks
Oldham, Frances K., author
J.B. Lippincott Company, 1960
Buku Teks
Oldham, Frances K., author
J. B. Lippincott, 1960
Buku Teks
Krug, Elsie F., author
Mosby, 1963
Buku Teks
Lee, Sidney, Sir, 1859-1926, author
IMS Pacific, 1985
Buku Teks