APA引文

Rao, K. S. (2011). Introduction to partial differential equations (23.).

Chicago Edition Citation

Rao, K Sankara. Introduction to Partial Differential Equations. 23. Prentice-Hall of India Pvt. Ltd., New Delhi, 2011.

MLA引文

Rao, K Sankara. Introduction to Partial Differential Equations. 23. 2011.