APA aipamena

Sommerfeld, R. M. Tax reform and the alliance for progress.

Chicago Style aipamena

Sommerfeld, Raynard M. Tax Reform and the Alliance for Progress.

MLA aipamena

Sommerfeld, Raynard M. Tax Reform and the Alliance for Progress.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.