1. Adams, R., and Allan, G. (1998). Placing Friendship in Context. Cambridge: Cambridge University Press.
2. Allan, G. (1979). A Sociology of Friendship and Kinship. London: Allen and Unwin.
3. Allan, G. (1989). Friendship: Developing A Sociological Perspective. Boulder and San Francisco: Westview Press.
4. Andrew, A., and Montague, A. (1998). Women’s Friendship at Work. Women’s Studies International Forum, 21(4), 355–361.
5. Beaumont, C. (1999). Gender, Citizenship and the State in Ireland, 1922–1990. In S. Brewster, V. Crossman, F. Becket, and D. Alderson (Eds.), Ireland in Proximity (pp. 94–108). London and New York: Routledge.