World Environment and Resources Council, Epstein, G., Gibson, J. E., Jones, P. H., Laconte, P., & Luoto, U. (1976). The Environment of human settlements: Human well-being in cities : proceedings of the conference held in Brussels, Belgium, April 1976. Pergamon Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Environment and Resources Council, G. Epstein, J. E. Gibson, P. H. Jones, Pierre Laconte, و U. Luoto. The Environment of Human Settlements: Human Well-being in Cities : Proceedings of the Conference Held in Brussels, Belgium, April 1976. Oxford ; New York: Pergamon Press, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Environment and Resources Council, et al. The Environment of Human Settlements: Human Well-being in Cities : Proceedings of the Conference Held in Brussels, Belgium, April 1976. Pergamon Press, 1976.