Varma C R R. (1998). Prakrithijeevanam: Life natural (4.). State institute of languages.
シカゴスタイル引用形Varma C R R. Prakrithijeevanam: Life Natural. 4. Thiruvananthapuram: State institute of languages, 1998.
MLA引用形式Varma C R R. Prakrithijeevanam: Life Natural. 4. State institute of languages, 1998.
警告: この引用は必ずしも正確ではありません.