Gaya APA
Callahan, G, N., Yates, R, M. (2014).
Basic Veterinary Immunology .
Colorado, Amerika:
University Press of Colorado.
Gaya MLA
Callahan, Gerald, N.., Yates, Robin, M..
"Basic Veterinary Immunology".
Colorado, Amerika:
University Press of Colorado,
2014.
e-book.