Παραπομπή APA

Haryana. Directorate of Census Operations; Author. (1991). Provisional population totals.

Παραπομπή Chicago Style

Haryana. Directorate of Census Operations; Author. Provisional Population Totals. Haryana, Director of census operations, 1991.

Παραπομπή MLA

Haryana. Directorate of Census Operations; Author. Provisional Population Totals. 1991.