The management and reproduction of the Large hairy armadillo, Chaetophractus villosus, at the National Zoological Parkv. 22185–194
Roberts, Miles S., Newman, Lawrence, and Peterson, Gregory. 1982. "The management and reproduction of the Large hairy armadillo, Chaetophractus villosus, at the National Zoological Park." International Zoo Yearbook, 22 185–194.