APA aipamena

Spahni, P. (1998). Swiss Wine Market Report. ELSEVIER.

Chicago Style aipamena

Spahni, Pierre. Swiss Wine Market Report. ELSEVIER, 1998.

MLA aipamena

Spahni, Pierre. Swiss Wine Market Report. ELSEVIER, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.