APA引文

India. Director of Census Operations, Punjab. (2001). Census of India, 1991. Directorate of Census Operations, Punjab.

Chicago Style (17th ed.) Citation

India. Director of Census Operations, Punjab. Census of India, 1991. [Punjab]: Directorate of Census Operations, Punjab, 2001.

MLA引文

India. Director of Census Operations, Punjab. Census of India, 1991. Directorate of Census Operations, Punjab, 2001.

警告：這些引文格式不一定是100％准確.