Pérez, E., Müller, E., Soderquist, L., Rodrigues Martínez, H., & Chacón, J. (1999). Breeding soundness evaluation of extensively managed bulls in Costa Rica.
Chicago Stili AlıntıPérez, E., E. Müller, L. Soderquist, H. Rodrigues Martínez, ve Jorge Chacón. Breeding Soundness Evaluation of Extensively Managed Bulls in Costa Rica. 1999.
MLA AlıntıPérez, E., et al. Breeding Soundness Evaluation of Extensively Managed Bulls in Costa Rica. 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..