Ashford, M., & Riordan, O. (2017). Counting racks of order n. Electronic Journal of Combinatorics.
芝加哥风格引文Ashford, M., 与 O. Riordan. Counting Racks of Order N. Electronic Journal of Combinatorics, 2017.
MLA引文Ashford, M., 与 O. Riordan. Counting Racks of Order N. Electronic Journal of Combinatorics, 2017.
警告：这些引文格式不一定是100％准确.