Dyfyniad APA

Aguirre Valverde, J., Vargas Leitón, B., & Romero Zúñiga, J. J. (2013). Effect of inbreeding on productive parameters in Costa Rican Holstein and Jersey cows.

Dyfyniad Arddull Chicago

Aguirre Valverde, Judyana, Bernardo Vargas Leitón, y Juan José Romero Zúñiga. Effect of Inbreeding On Productive Parameters in Costa Rican Holstein and Jersey Cows. 2013.

Dyfyniad MLA

Aguirre Valverde, Judyana, Bernardo Vargas Leitón, y Juan José Romero Zúñiga. Effect of Inbreeding On Productive Parameters in Costa Rican Holstein and Jersey Cows. 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.