Παραπομπή APA

Singh, H. P. (1979). Resource appraisal and planning in India. Rajesh publications.

Παραπομπή Chicago Style

Singh, Harendra Pal. Resource Appraisal and Planning in India. Delhi: Rajesh publications, 1979.

Παραπομπή MLA

Singh, Harendra Pal. Resource Appraisal and Planning in India. Rajesh publications, 1979.