Ruiz Narváez, E. A., Santos, F. R., Carvalho Silva, D. R., Azofeifa Navas, J., Barrantes Mesén, R., & Peña, S. D. J. (2005). Genetic variation of the Y chromosome in Chibcha-Speaking amerindians of Costa Rica and Panama.

Ruiz Narváez, Edward A., Fabricio R. Santos, Denise R. Carvalho Silva, Jorge Azofeifa Navas, Ramiro Barrantes Mesén, و Sergio D. J. Peña. Genetic Variation of the Y Chromosome in Chibcha-Speaking Amerindians of Costa Rica and Panama. 2005.

Ruiz Narváez, Edward A., et al. Genetic Variation of the Y Chromosome in Chibcha-Speaking Amerindians of Costa Rica and Panama. 2005.