APA aipamena

Barber, L. (1949). Norway: Economic and commercial conditions.

Chicago Style aipamena

Barber, Lcs. Norway: Economic and Commercial Conditions. 1949.

MLA aipamena

Barber, Lcs. Norway: Economic and Commercial Conditions. 1949.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.