Barrios, E. B. (1996). Econometric modeling project for industry, exports and investments: GVA component. U.P. Statistical Center Research Foundation, Inc.
Cita Chicago (17th ed.)Barrios, Erniel B. Econometric Modeling Project for Industry, Exports and Investments: GVA Component. Quezon City: U.P. Statistical Center Research Foundation, Inc, 1996.
Cita MLA (9th ed.)Barrios, Erniel B. Econometric Modeling Project for Industry, Exports and Investments: GVA Component. U.P. Statistical Center Research Foundation, Inc, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.