Troup, R. (2023). A note on the causes and effects of the drought of 1907 and 1908 on the sal forests of the United provinces. Superintendent Government Printing.
Chicago-referens (17:e uppl.)Troup, R.S. A Note on the Causes and Effects of the Drought of 1907 and 1908 on the Sal Forests of the United Provinces. Superintendent Government Printing, 2023.
MLA-referens (9:e uppl.)Troup, R.S. A Note on the Causes and Effects of the Drought of 1907 and 1908 on the Sal Forests of the United Provinces. Superintendent Government Printing, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.