APA aipamena

American Heart Association. Circulation. Hagerstown, MD: Lippincott Williams & Wilkins.

Chicago Style aipamena

American Heart Association. Circulation. Hagerstown, MD: Lippincott Williams & Wilkins.

MLA aipamena

American Heart Association. Circulation. Hagerstown, MD: Lippincott Williams & Wilkins.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.