by June M. Thompson ... [and others]
Mosby, 1986
Buku Teks
edited by Jeyanth Asheervath and Dorothy R. Blevins
Appleton-Century-Crofts, 1986.
Buku Referensi
Smith, Sandra, author
Appleton & Lange , 1992
Buku Teks
Reilly, Dorothy E., author
Jones and Bartlett , 1999
Buku Teks
Reilly, Dorothy E., author
Appletton & Lange, 1985
Buku Teks