APA

,, . (1991). A pamphlet showing illustrative cases of valid and invalid postal and ordinary ballot papers. New Delhi: Election Commission of India.

Chicago

,, . 1991. A pamphlet showing illustrative cases of valid and invalid postal and ordinary ballot papers. New Delhi: Election Commission of India.

Harvard

,, . (1991). A pamphlet showing illustrative cases of valid and invalid postal and ordinary ballot papers. New Delhi: Election Commission of India.

MLA

,, . A pamphlet showing illustrative cases of valid and invalid postal and ordinary ballot papers. New Delhi: Election Commission of India. 1991.