Unknown. (2023). Proceedings of the tenth Silvicultural Conference held at Dehradun, November 15th to November 20th and November 22nd to November 25th, 1961. Forest Research Institute.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումUnknown. Proceedings of the Tenth Silvicultural Conference Held at Dehradun, November 15th to November 20th and November 22nd to November 25th, 1961. Forest Research Institute, 2023.
MLA (9րդ խմբ.) ՄեջբերումUnknown. Proceedings of the Tenth Silvicultural Conference Held at Dehradun, November 15th to November 20th and November 22nd to November 25th, 1961. Forest Research Institute, 2023.
Զգուշացում. այս մեջբերումները միշտ չէ, որ կարող են 100% ճշգրիտ լինել.