Ortuno, A., Chacón, J., BonDurant, R., Noordhuizen, J., Perez, E., Conrad, P. A., & Hird, D. (1992). Prevalence and risk factors for Trichomonas foetus infection in cattle in northeastern Costa Rica.
استشهاد بنمط شيكاغوOrtuno, Ana, Jorge Chacón, Robert BonDurant, Jos Noordhuizen, Enrique Perez, Patricia A. Conrad, و David Hird. Prevalence and Risk Factors for Trichomonas Foetus Infection in Cattle in Northeastern Costa Rica. 1992.
MLA استشهادOrtuno, Ana, et al. Prevalence and Risk Factors for Trichomonas Foetus Infection in Cattle in Northeastern Costa Rica. 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.