Johnson, Gordon E., author
W.B Saunders , 1991
Buku Teks
Reiss, Barry S., author
Delmar, 1984
Buku Teks
edited by Louis S. Goodman
Macmillan, 1975
Buku Teks
Goodman, Louis S., author
Macmillan, 1958
Buku Referensi
Clark, Julia, author
Mosby, 1986
Buku Teks