Ghildyal, B. P., & Gupta, R. P. (2002). Soil structure: Problems and management (Nil.). ICAR.
Čikaški stil citiranjaGhildyal, B P., i R P. Gupta. Soil Structure: Problems and Management. Nil. New Delhi: ICAR, 2002.
MLA način citiranjaGhildyal, B P., i R P. Gupta. Soil Structure: Problems and Management. Nil. ICAR, 2002.
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