Soifer, A. (2020). Competitions for Young Mathematicians. 1st ed. 2017. Springer International Publishing.
Trích dẫn kiểu ChicagoSoifer, Alexander. Competitions for Young Mathematicians. 1st Ed. 2017. Springer International Publishing, 2020.
MLA引文Soifer, Alexander. Competitions for Young Mathematicians. 1st Ed. 2017. Springer International Publishing, 2020.
警告:這些引文格式不一定是100%准確.