APA-viite (7. p.)

Cobeña Ruíz, G., Zambrano Demera, J., Cárdenas Guillén, F. M., Zambrano Zambrano, E., & Ramírez Aguirre, C. (2017). Effect of seed populations and guide length on yield of camote varieties.

Chicago-viite (17. p.)

Cobeña Ruíz, Gloria, José Zambrano Demera, Flor María Cárdenas Guillén, Eddie Zambrano Zambrano, ja Carlos Ramírez Aguirre. Effect of Seed Populations and Guide Length on Yield of Camote Varieties. 2017.

MLA-viite (9. p.)

Cobeña Ruíz, Gloria, et al. Effect of Seed Populations and Guide Length on Yield of Camote Varieties. 2017.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.