Davis, K. C. (2001). Don't know much about the Universe. New York: Random House.
Citación estilo ChicagoDavis, Kenneth C. Don't Know Much About the Universe. New York: Random House, 2001.
Cita MLADavis, Kenneth C. Don't Know Much About the Universe. New York: Random House, 2001.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.