Harp, J. A., Woodmansee, D. B., & Moon, H. W. (1990). Resistance of calves to Cryptosporidium parvum: Effects of age and previous exposure.
Chicago-стиль цитированияHarp, J A., D B. Woodmansee, and H W. Moon. Resistance of Calves to Cryptosporidium Parvum: Effects of Age and Previous Exposure. 1990.
MLA-цитированиеHarp, J A., D B. Woodmansee, and H W. Moon. Resistance of Calves to Cryptosporidium Parvum: Effects of Age and Previous Exposure. 1990.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.