APA aipamena

Oswald,Andrew J. (1991). Surveys in economics. Basil Black Well.

Chicago Style aipamena

Oswald,Andrew J. Surveys in Economics. USA: Basil Black Well, 1991.

MLA aipamena

Oswald,Andrew J. Surveys in Economics. Basil Black Well, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.