Meenakshi, S., Singh, B. S., & Singh, M. P. (2011). Air pollution and environment. Enkay.
シカゴスタイル引用形Meenakshi, Singh, B S. Singh, , M P. Singh. Air Pollution and Environment. New Delhi: Enkay, 2011.
MLA引用形式Meenakshi, Singh, et al. Air Pollution and Environment. Enkay, 2011.
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