APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

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

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