APA aipamena

Roddy, P. (1995). The International Tin Trade. ELSEVIER.

Chicago Style aipamena

Roddy, Peter. The International Tin Trade. ELSEVIER, 1995.

MLA aipamena

Roddy, Peter. The International Tin Trade. ELSEVIER, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.