Sehal,J L, Mandal ,C, Mandal ,DK, & Vadivelu,S. (1992). Agro - ecological regions of Inida. ICAR.
Chicago Edition CitationSehal,J L, Mandal ,C, Mandal ,DK, i Vadivelu,S. Agro - Ecological Regions of Inida. New Delhi: ICAR, 1992.
Cita MLASehal,J L, et al. Agro - Ecological Regions of Inida. ICAR, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.