McConnell, Edwina A., author
J.B. Lippincott, 1987
Buku Teks
Woodhead, Kate, author
Elsevier, 2005
Buku Teks
Bloom, Frank, author
American Vaterinary Publications, 1954
Buku Teks
Laurentius M. Adrianto Lesmana, author
Universiteitvan Amsterdam, 1989
Buku Teks
Pollack, Robert S., author
Medical Economics, 1980
Buku Teks