institute of national planning. annual book: Background & activities.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रinstitute of national planning. Annual Book: Background & Activities.
एमएलए (9वां संस्करण) प्रशस्ति पत्रinstitute of national planning. Annual Book: Background & Activities.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.