Stebbing, E. (2023). The bark-boring beetle attack in the coniferous forests in the Simla Catchment Area. Superintendent Government Printing.
Chicago-referens (17:e uppl.)Stebbing, E.P. The Bark-boring Beetle Attack in the Coniferous Forests in the Simla Catchment Area. Superintendent Government Printing, 2023.
MLA-referens (9:e uppl.)Stebbing, E.P. The Bark-boring Beetle Attack in the Coniferous Forests in the Simla Catchment Area. Superintendent Government Printing, 2023.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.