Meschkowski, H. (1966). Unsolved and unsolvable problems in geometry. F. Ungar Publishing.
芝加哥风格引文Meschkowski, Herbert. Unsolved and Unsolvable Problems in Geometry. New York: F. Ungar Publishing, 1966.
MLA引文Meschkowski, Herbert. Unsolved and Unsolvable Problems in Geometry. F. Ungar Publishing, 1966.
警告：这些引文格式不一定是100％准确.