Koch-Grünberg, Theodor. 1912, 1913, 1914, 1914, 1915-1916, 1915-1916. Betóya-Sprachen Nordwestbrasiliens. Anthropos 7, 8, 9, 9, 10/11, 10/11. 429-462, 944-977, 151-195, 569-589, 812-832, 114-158, 421-449.
@misc{9940, author = {Koch-Grünberg, Theodor}, title = {Betóya-Sprachen Nordwestbrasiliens. Anthropos 7, 8, 9, 9, 10/11, 10/11. 429-462, 944-977, 151-195, 569-589, 812-832, 114-158, 421-449.}, year = {1912, 1913, 1914, 1914, 1915-1916, 1915-1916} }