Unknown. (2023). Calendar - Imperial Forest School. Government Press, Government of India, Allahabad.
Cita Chicago (17th ed.)Unknown. Calendar - Imperial Forest School. Government Press, Government of India, Allahabad, 2023.
Cita MLA (9th ed.)Unknown. Calendar - Imperial Forest School. Government Press, Government of India, Allahabad, 2023.
Atenció: Aquestes cites poden no estar 100% correctes.