APA引文

Prem, N. (1958). Mathematical for students of Economics. Sultan Chand & Co.

Chicago Style (17th ed.) Citation

Prem, Narain. Mathematical for Students of Economics. NULL: Sultan Chand & Co, 1958.

MLA引文

Prem, Narain. Mathematical for Students of Economics. Sultan Chand & Co, 1958.

警告：這些引文格式不一定是100％准確.