Unknown. (2023). Calendar - Imperial Forest School. Government Press, Government of India, Allahabad.
Chicagoスタイル(17版)引用形式Unknown. Calendar - Imperial Forest School. Government Press, Government of India, Allahabad, 2023.
MLA(9版)引用形式Unknown. Calendar - Imperial Forest School. Government Press, Government of India, Allahabad, 2023.
警告: この引用は必ずしも正確ではありません.