Παραπομπή APA

Kanwar, J. S., & Reddy, D. D. (2003). Phosphorous fixation and management in Indian soils (Nil.). ICAR.

Παραπομπή Chicago Style

Kanwar, J S., και D Damodar Reddy. Phosphorous Fixation and Management in Indian Soils. Nil. New Delhi: ICAR, 2003.

Παραπομπή MLA

Kanwar, J S., και D Damodar Reddy. Phosphorous Fixation and Management in Indian Soils. Nil. ICAR, 2003.