APA način citiranja

Villalobos, L., & Sánchez, J. M. (2009). Agronomic and nutritional evaluation of perennial tetraploid ryegrass-based pas-tures (Lolium perenne) in dairy farms in the highlands of Costa Rica. I. Dry matter yield and phenology.

Čikaški stil citiranja

Villalobos, Luis, i Jorge Ml Sánchez. Agronomic and Nutritional Evaluation of Perennial Tetraploid Ryegrass-based Pas-tures (Lolium Perenne) in Dairy Farms in the Highlands of Costa Rica. I. Dry Matter Yield and Phenology. 2009.

MLA način citiranja

Villalobos, Luis, i Jorge Ml Sánchez. Agronomic and Nutritional Evaluation of Perennial Tetraploid Ryegrass-based Pas-tures (Lolium Perenne) in Dairy Farms in the Highlands of Costa Rica. I. Dry Matter Yield and Phenology. 2009.