Altman, R. (1990). The complete book of home environmental: Hazards. Facts On File.
Citazione stile Chigago Style (17a edizione)Altman, Roberta. The Complete Book of Home Environmental: Hazards. New York: Facts On File, 1990.
Citatione MLA (9a ed.)Altman, Roberta. The Complete Book of Home Environmental: Hazards. Facts On File, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.