Herman, J., Kucera, R., & Simsa, J. (2003). Counting and configurations: Problems in combinatorics, arithmetic, and geometry. Springer.
استشهاد بنمط شيكاغوHerman, Jiri, Radan Kucera, و Jarom�r Simsa. Counting and Configurations: Problems in Combinatorics, Arithmetic, and Geometry. New York: Springer, 2003.
MLA استشهادHerman, Jiri, et al. Counting and Configurations: Problems in Combinatorics, Arithmetic, and Geometry. Springer, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.