APA
Alvin G. Law, Billy R. Gregg Paul B. Young Pakkali R Chetty, . (1971). Seed marketing. New Delhi: National Seed Corporation.
Chicago
Alvin G. Law, Billy R. Gregg Paul B. Young Pakkali R Chetty, . 1971. Seed marketing. New Delhi: National Seed Corporation.
Harvard
Alvin G. Law, Billy R. Gregg Paul B. Young Pakkali R Chetty, . (1971). Seed marketing. New Delhi: National Seed Corporation.
MLA
Alvin G. Law, Billy R. Gregg Paul B. Young Pakkali R Chetty, . Seed marketing. New Delhi: National Seed Corporation. 1971.
