Abril, R. (2015). Plant species used in animal feeding in Mera, Santa Clara and Pastaza cantons in Pastaza province, Ecuador. Instituto de Ciencia Animal.
Citazione stile Chigago Style (17a edizione)Abril, R.V. Plant Species Used in Animal Feeding in Mera, Santa Clara and Pastaza Cantons in Pastaza Province, Ecuador. Instituto de Ciencia Animal, 2015.
Citatione MLA (9a ed.)Abril, R.V. Plant Species Used in Animal Feeding in Mera, Santa Clara and Pastaza Cantons in Pastaza Province, Ecuador. Instituto de Ciencia Animal, 2015.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.