Lua APA (7ú heag.)

Singh, O. S. (2011). Proceedings: IV national forestry conference 2009- FRI, Dehradun. FRI Dehradun.

Lua i Stíl Chicago (17ú heag.)

Singh, Ombir; Singh. Proceedings: IV National Forestry Conference 2009- FRI, Dehradun. Dehradun (Uttarakhand): FRI Dehradun, 2011.

Lua MLA (9ú heag.)

Singh, Ombir; Singh. Proceedings: IV National Forestry Conference 2009- FRI, Dehradun. FRI Dehradun, 2011.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.