APA引文

Hasan, N. (1972). The social security system of India ([1st ed.].). S. Chand.

Chicago Style (17th ed.) Citation

Hasan, Najmul. The Social Security System of India. [1st ed.]. New Delhi: S. Chand, 1972.

MLA引文

Hasan, Najmul. The Social Security System of India. [1st ed.]. S. Chand, 1972.