Swartz, Harry, author
Medical Economics Company Inc., 1981
Buku Referensi
Skidmore-Roth, Linda, author
Mosby, 2002
Buku Referensi
Shannon, Margaret T.
Prentice-Hall, 2001
Buku Referensi
Skidmore-Roth, Linda, author
Mosby/Elsevier, 2009
Multimedia
Skidmore-Roth, Linda, author
Mosby/Elsevier, 2009
Multimedia