Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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