Παραπομπή APA

Sagreiya, K. .. (1967). Forests and forestry. National Book Trust.

Παραπομπή Chicago Style

Sagreiya, K .P. Forests and Forestry. New Delhi: National Book Trust, 1967.

Παραπομπή MLA

Sagreiya, K .P. Forests and Forestry. National Book Trust, 1967.