APA aipamena

Tunwar N S, S. S. V. (1988). Indian minimum seed certification standards. Central seed certification board.

Chicago Style aipamena

Tunwar N S, Singh S V. Indian Minimum Seed Certification Standards. Newdelhi: Central seed certification board, 1988.

MLA aipamena

Tunwar N S, Singh S V. Indian Minimum Seed Certification Standards. Central seed certification board, 1988.