Zheng, Li, Dong, Yuan and Yang, Fang. "2. Elementary C++ Programming". C++ Programming, Berlin, Boston: De Gruyter, 2019, pp. 25-78. https://doi.org/10.1515/9783110471977-002
Zheng, L., Dong, Y. & Yang, F. (2019). 2. Elementary C++ Programming. In C++ Programming (pp. 25-78). Berlin, Boston: De Gruyter. https://doi.org/10.1515/9783110471977-002
Zheng, L., Dong, Y. and Yang, F. 2019. 2. Elementary C++ Programming. C++ Programming. Berlin, Boston: De Gruyter, pp. 25-78. https://doi.org/10.1515/9783110471977-002
Zheng, Li, Dong, Yuan and Yang, Fang. "2. Elementary C++ Programming" In C++ Programming, 25-78. Berlin, Boston: De Gruyter, 2019. https://doi.org/10.1515/9783110471977-002