APA (7th ed.) Zitazioa
Higgins, R. (2009). Vital CKD: Keeping kidneys healthy. Class Publishing.
Chicago Style (17th ed.) Zitazioa
Higgins, Rob. Vital CKD: Keeping Kidneys Healthy. London: Class Publishing, 2009.
MLA (9th ed.) Zitazioa
Higgins, Rob. Vital CKD: Keeping Kidneys Healthy. Class Publishing, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.