Nattarivu patanakendram. (1999). Krishigeetha chollum vayanayum. Nattarivu patanakendram.
シカゴスタイル引用形Nattarivu patanakendram. Krishigeetha Chollum Vayanayum. Thrissur: Nattarivu patanakendram, 1999.
MLA引用形式Nattarivu patanakendram. Krishigeetha Chollum Vayanayum. Nattarivu patanakendram, 1999.
警告: この引用は必ずしも正確ではありません.