Diffrient, N., Tilley, A. R., & Harman, D. (1981). Humanscale 7/8/9: Portfolio of information : 7. Standing and sitting at work, 8. Space planning for the individual and the public, 9. Access for maintenance, stairs, light, and color. MIT Press.
Citação do estilo Chicago (17ª ed.)Diffrient, Niels, Alvin R. Tilley, e David Harman. Humanscale 7/8/9: Portfolio of Information : 7. Standing and Sitting at Work, 8. Space Planning for the Individual and the Public, 9. Access for Maintenance, Stairs, Light, and Color. Cambridge, Mass: MIT Press, 1981.
Citação MLA (9ª ed.)Diffrient, Niels, et al. Humanscale 7/8/9: Portfolio of Information : 7. Standing and Sitting at Work, 8. Space Planning for the Individual and the Public, 9. Access for Maintenance, Stairs, Light, and Color. MIT Press, 1981.