APA-viite

Pérez, E., Frankena, K., & ROMERO-ZUÑIGA, J. J. (2004). Effect of a killed whole Neospora caninum tachyzoite vaccine on the crude abortion rate of Costa Rican dairy cows under field conditions.

Chicago-tyylinen lähdeviittaus

Pérez, E., K. Frankena, ja JUAN JOSÉ ROMERO-ZUÑIGA. Effect of a Killed Whole Neospora Caninum Tachyzoite Vaccine On the Crude Abortion Rate of Costa Rican Dairy Cows Under Field Conditions. 2004.

MLA-viite

Pérez, E., K. Frankena, ja JUAN JOSÉ ROMERO-ZUÑIGA. Effect of a Killed Whole Neospora Caninum Tachyzoite Vaccine On the Crude Abortion Rate of Costa Rican Dairy Cows Under Field Conditions. 2004.

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