APA引文

JOANNA, L. Y., & MATHEMATICS. (2021). SECOND-ORDER LINEAR PARTIAL DIFFERENTIAL EQUATIONS.

Chicago Style Citation

JOANNA, LIAN YINGZHEN, and MATHEMATICS. SECOND-ORDER LINEAR PARTIAL DIFFERENTIAL EQUATIONS. 2021.

MLA引文

JOANNA, LIAN YINGZHEN, and MATHEMATICS. SECOND-ORDER LINEAR PARTIAL DIFFERENTIAL EQUATIONS. 2021.

警告：這些引文格式不一定是100％准確.