Graham, L. A. (1959). Ingenious mathematical problems and methods. Dover Publications.
芝加哥风格引文Graham, L. A. Ingenious Mathematical Problems and Methods. New York: Dover Publications, 1959.
MLA引文Graham, L. A. Ingenious Mathematical Problems and Methods. Dover Publications, 1959.
警告:这些引文格式不一定是100%准确.