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, und 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.