APA aipamena

Arroyo, C., Rojas Bourrillón, A., & Rosales, R. (2003). Urea or poultry litter as protein supplements for bulls fed peach-palm pulp silage (Bactris gasipaes).

Chicago Style aipamena

Arroyo, Carlos, Augusto Rojas Bourrillón, y Rodrigo Rosales. Urea or Poultry Litter As Protein Supplements for Bulls Fed Peach-palm Pulp Silage (Bactris Gasipaes). 2003.

MLA aipamena

Arroyo, Carlos, Augusto Rojas Bourrillón, y Rodrigo Rosales. Urea or Poultry Litter As Protein Supplements for Bulls Fed Peach-palm Pulp Silage (Bactris Gasipaes). 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.