Keoke, E. D., & Porterfield, K. M. (2002). Encyclopedia of American Indian contributions to the world: 15,000 years of inventions and innovations. Facts on File.
Цитирование в стиле Чикаго (17-е изд.)Keoke, Emory Dean, и Kay Marie Porterfield. Encyclopedia of American Indian Contributions to the World: 15,000 Years of Inventions and Innovations. New York: Facts on File, 2002.
Цитирование MLA (8-е изд.)Keoke, Emory Dean, и Kay Marie Porterfield. Encyclopedia of American Indian Contributions to the World: 15,000 Years of Inventions and Innovations. Facts on File, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.