Chaudhary, V. (2000). Environmental protection. Pointer Publishers.
シカゴスタイル引用形Chaudhary, Vimlesh. Environmental Protection. Jaipur: Pointer Publishers, 2000.
MLA引用形式Chaudhary, Vimlesh. Environmental Protection. Pointer Publishers, 2000.
警告: この引用は必ずしも正確ではありません.