Frick, D. (1986). The quality of urban life: Social, psychological, and physical conditions. de Gruyter.
Cita Chicago Style (17a ed.)Frick, Dieter. The Quality of Urban Life: Social, Psychological, and Physical Conditions. Berlin [u.a.]: de Gruyter, 1986.
Cita MLA (9a ed.)Frick, Dieter. The Quality of Urban Life: Social, Psychological, and Physical Conditions. de Gruyter, 1986.
Precaución: Estas citas no son 100% exactas.