APA način citiranja

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

Čikaški stil citiranja

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

MLA način citiranja

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