APA aipamena

Spurgeon, D. (1999). Canada sends patients with cancer to United States. British Medical Journal.

Chicago Style aipamena

Spurgeon, David. Canada Sends Patients With Cancer to United States. British Medical Journal, 1999.

MLA aipamena

Spurgeon, David. Canada Sends Patients With Cancer to United States. British Medical Journal, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.