Trích dẫn APA

Directorate of census operations. Census of india 1991: Part3-b series. Directorate of census operations.

Trích dẫn kiểu Chicago

Directorate of census operations. Census of India 1991: Part3-b Series. Kerala: Directorate of census operations.

Trích dẫn MLA

Directorate of census operations. Census of India 1991: Part3-b Series. Directorate of census operations.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.