APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.