Unknown. (2023). Keralaranyam: Centenary issue. Kerala Forest Service Publication, Kerala.
Chicagoスタイル(17版)引用形式Unknown. Keralaranyam: Centenary Issue. Kerala Forest Service Publication, Kerala, 2023.
MLA(9版)引用形式Unknown. Keralaranyam: Centenary Issue. Kerala Forest Service Publication, Kerala, 2023.
警告: この引用は必ずしも正確ではありません.