Head & Neck Cancer: Questions & Answers (2017). National Cancer Institute Member Services.
Chicago (17e ed.) BronvermeldingHead & Neck Cancer: Questions & Answers (2017). National Cancer Institute Member Services.
MLA (9e ed.) BronvermeldingHead & Neck Cancer: Questions & Answers (2017). National Cancer Institute Member Services.
Let op: Deze citaties zijn niet altijd 100% accuraat.