(2012). Proceedings of the Kerala Environment Congress 2012. Centre for Environment & Development.
シカゴスタイル引用形Proceedings of the Kerala Environment Congress 2012. Thiruvavanthapuram: Centre for Environment & Development, 2012.
MLA引用形式Proceedings of the Kerala Environment Congress 2012. Centre for Environment & Development, 2012.
警告: この引用は必ずしも正確ではありません.