Lauer, R. H. (1992). Social problems and the quality of life (Fifth edition.). Wm.C. Brown.
Citazione stile Chigago Style (17a edizione)Lauer, Robert H. Social Problems and the Quality of Life. Fifth edition. Dubuque, Iowa: Wm.C. Brown, 1992.
Citatione MLA (9a ed.)Lauer, Robert H. Social Problems and the Quality of Life. Fifth edition. Wm.C. Brown, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.