Atwal,A S, & Balraj singh. (1990). Pest population and assessment of crop losses. ICAR.
シカゴスタイル引用形Atwal,A S, , Balraj singh. Pest Population and Assessment of Crop Losses. New Delhi: ICAR, 1990.
MLA引用形式Atwal,A S, , Balraj singh. Pest Population and Assessment of Crop Losses. ICAR, 1990.
警告: この引用は必ずしも正確ではありません.