APA (7 वां संस्करण) प्रशस्ति पत्र

Barrios, E. B. (1996). Econometric modeling project for industry, exports and investments: GVA component. U.P. Statistical Center Research Foundation, Inc.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Barrios, Erniel B. Econometric Modeling Project for Industry, Exports and Investments: GVA Component. Quezon City: U.P. Statistical Center Research Foundation, Inc, 1996.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Barrios, Erniel B. Econometric Modeling Project for Industry, Exports and Investments: GVA Component. U.P. Statistical Center Research Foundation, Inc, 1996.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.