Παραπομπή σε μορφή APA (7η εκδ.)

Ethridge, D. E. (1995). Research methodology in applied economics: Orginizing, planning, and conducting economic research. Iowa State University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ethridge, Don E. Research Methodology in Applied Economics: Orginizing, Planning, and Conducting Economic Research. Ames: Iowa State University Press, 1995.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ethridge, Don E. Research Methodology in Applied Economics: Orginizing, Planning, and Conducting Economic Research. Iowa State University Press, 1995.