Campbell, C. M. A. (2004). Volunteer counsellors for supporting breast feeding: Peer support is worth further investigation. BMJ Publishing Group Ltd.
Trích dẫn kiểu ChicagoCampbell, Carol M A. Volunteer Counsellors for Supporting Breast Feeding: Peer Support Is Worth Further Investigation. BMJ Publishing Group Ltd, 2004.
Trích dẫn MLACampbell, Carol M A. Volunteer Counsellors for Supporting Breast Feeding: Peer Support Is Worth Further Investigation. BMJ Publishing Group Ltd, 2004.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.