APA aipamena

Spurgeon, D. (2001). British Columbia to launch 24 hour health helpline. BMJ.

Chicago Style aipamena

Spurgeon, David. British Columbia to Launch 24 Hour Health Helpline. BMJ, 2001.

MLA aipamena

Spurgeon, David. British Columbia to Launch 24 Hour Health Helpline. BMJ, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.