APA aipamena

Denison, E. F. (1967). Why growth rates differ. Washington: The Brookings Institution.

Chicago Style aipamena

Denison, Edward F. Why Growth Rates Differ. Washington: The Brookings Institution, 1967.

MLA aipamena

Denison, Edward F. Why Growth Rates Differ. Washington: The Brookings Institution, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.