Παραπομπή σε μορφή APA (7η εκδ.)

Unknown. (2023). Progress Report of the Northern Forest Rangers College, Dehradun for the year 1956-57. Forest Research Institute, Dehradun.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Unknown. Progress Report of the Northern Forest Rangers College, Dehradun for the Year 1956-57. Forest Research Institute, Dehradun, 2023.

Παραπομπή σε μορφή MLA (9th εκδ.)

Unknown. Progress Report of the Northern Forest Rangers College, Dehradun for the Year 1956-57. Forest Research Institute, Dehradun, 2023.