1. Bernts T. (1991). Leven zonder zorg. Oordelen over risico’s, rechtvaardigheid en solidariteit in de gezondheidszorg. Swets en Zeitlinger, Amsterdam
2. Brennan S.E. and Clark H.H. (1996). Conceptual pacts and lexical choice in conversation. J. Exp. Psychol.: Learn. Mem. Cogn. 22(6): 1482–1492
3. Brook, R.H., Ware, J.E., Jr., Davies-Avery, A., Stewart, A.L., Donald, C.A., Rogers, W.H., Williams, K.N., Johnston, S.A.: Overview of adult health status measures fielded in Rand’s Health Insurance Study. Med. Care, 17 (7 Suppl), iii–x, 1–131 (1979)
4. Burnhan K.P. and Anderson D.R. (2002). Model Selection and Inference: A Practical Information-Theoretic Approach. Springer-Verlag, New York
5. Cannell C.F., Oksenberg L. and Converse J.M. (1977). Striving for response accuracy: experiments in new interviewing techniques. J. Mark. Res. XIV: 306–315