Patel, M. L. (1969). Agro-economic survey of tribal Mandala. People's publishing.
シカゴスタイル引用形Patel, M L. Agro-economic Survey of Tribal Mandala. Delhi: People's publishing, 1969.
MLA引用形式Patel, M L. Agro-economic Survey of Tribal Mandala. People's publishing, 1969.
警告: この引用は必ずしも正確ではありません.