Knopp, K. (1956). Infinite sequences and series. Dover Publications.
芝加哥风格引文Knopp, Konrad. Infinite Sequences and Series. New York: Dover Publications, 1956.
MLA引文Knopp, Konrad. Infinite Sequences and Series. Dover Publications, 1956.
警告：这些引文格式不一定是100％准确.