Robertson, L. J., Campbell, A. T., & Smith, H. V. (1992). Survival of Cryptosporidium parvum oocysts under various environmental pressures.
استشهاد بنمط شيكاغوRobertson, L J., A T. Campbell, و H V. Smith. Survival of Cryptosporidium Parvum Oocysts Under Various Environmental Pressures. 1992.
MLA استشهادRobertson, L J., A T. Campbell, و H V. Smith. Survival of Cryptosporidium Parvum Oocysts Under Various Environmental Pressures. 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.