Pearson, R. (2023). Summary of results of treated and untreated experimental sleepers laid in the various railway systems of India, brought up to date. Forest Research Institute.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումPearson, R.S. Summary of Results of Treated and Untreated Experimental Sleepers Laid in the Various Railway Systems of India, Brought Up to Date. Forest Research Institute, 2023.
MLA (9րդ խմբ.) ՄեջբերումPearson, R.S. Summary of Results of Treated and Untreated Experimental Sleepers Laid in the Various Railway Systems of India, Brought Up to Date. Forest Research Institute, 2023.
Զգուշացում. այս մեջբերումները միշտ չէ, որ կարող են 100% ճշգրիտ լինել.