Land, K. C., Michalos, A. C., & Sirgy, M. J. (2012). Handbook of Social Indicators and Quality of Life Research. Springer Netherlands. https://doi.org/10.1007/978-94-007-2421-1

Land, Kenneth C., Alex C. Michalos, and M. Joseph Sirgy. Handbook of Social Indicators and Quality of Life Research. Dordrecht: Springer Netherlands, 2012. https://doi.org/10.1007/978-94-007-2421-1.

Land, Kenneth C., et al. Handbook of Social Indicators and Quality of Life Research. Springer Netherlands, 2012. https://doi.org/10.1007/978-94-007-2421-1.