1. Scott N, Seglow J. Altruism. Maidenhead; New York: Open University Press, 2007, p. 153.
2. Martinsen K. Øyet og kallet [The eye and the vocation]. Bergen: Fagbokforlaget, 2000, p. 173.
3. Caring Science in a New Key
4. Arman M, Rehnsfeldt A. Vårdande som lindrar lidande: etik i vårdandet [Caring to alleviate suffering: ethical caring]. Stockholm: Liber, 2006, p. 139.
5. Kuhse H. Caring: nurses, women and ethics. Oxford: Blackwell, 1997, p. 312.