Goth, Andres
Mosby, 1978
Buku Teks
Goth, Andres
Mosby, 1972
Buku Teks
Rice, Jane
Thomson Delmar Learning, 2011
Multimedia
edited by Harold Kalant, Walter H.E. Roschlau
Oxford University Press, 1998
Buku Teks
Stringer, Janet L.
McGraw-Hill, 2006
Buku Teks