International Society for the Study of Behavioural Development. Meeting, British Psychological Society. Development Section. Meeting, European Conference on Development Psychology, & Smith, P. K. (1991). The Psychology of grandparenthood: An international perspective. Routledge.
Cita Chicago Style (17a ed.)International Society for the Study of Behavioural Development. Meeting, British Psychological Society. Development Section. Meeting, European Conference on Development Psychology, y Peter K. Smith. The Psychology of Grandparenthood: An International Perspective. London [etc.]: Routledge, 1991.
Cita MLA (9a ed.)International Society for the Study of Behavioural Development. Meeting, et al. The Psychology of Grandparenthood: An International Perspective. Routledge, 1991.
