Παραπομπή APA

Puttaswamaiah, K. (1989). Cost benefit analysis of irrigation and drought proofing. Oxford & IBH publishing co. pvt. ltd.

Παραπομπή Chicago Style

Puttaswamaiah, K. Cost Benefit Analysis of Irrigation and Drought Proofing. New Delhi: Oxford & IBH publishing co. pvt. ltd, 1989.

Παραπομπή MLA

Puttaswamaiah, K. Cost Benefit Analysis of Irrigation and Drought Proofing. Oxford & IBH publishing co. pvt. ltd, 1989.