APA

Ehrhart N., Dernell W. S., Hoffmann W. E., Weigel R. M., Powers B. E. & Withrow S. J. (19981027). Prognostic importance of alkaline phosphatase activity in serum from dogs with appendicular osteosarcoma: 75 cases (1990-1996). : Journal of the American Veterinary Medical Association.

Chicago

Ehrhart N, Dernell W S, Hoffmann W E, Weigel R M, Powers B E and Withrow S J. 19981027. Prognostic importance of alkaline phosphatase activity in serum from dogs with appendicular osteosarcoma: 75 cases (1990-1996). : Journal of the American Veterinary Medical Association.

Harvard

Ehrhart N., Dernell W. S., Hoffmann W. E., Weigel R. M., Powers B. E. and Withrow S. J. (19981027). Prognostic importance of alkaline phosphatase activity in serum from dogs with appendicular osteosarcoma: 75 cases (1990-1996). : Journal of the American Veterinary Medical Association.

MLA

Ehrhart N, Dernell W S, Hoffmann W E, Weigel R M, Powers B E and Withrow S J. Prognostic importance of alkaline phosphatase activity in serum from dogs with appendicular osteosarcoma: 75 cases (1990-1996). : Journal of the American Veterinary Medical Association. 19981027.