ALTMAN, R. (1990). The complete book of home environmental hazards. Facts on File.
Cita Chicago (17th ed.)ALTMAN, Roberta. The Complete Book of Home Environmental Hazards. New York: Facts on File, 1990.
Cita MLA (9th ed.)ALTMAN, Roberta. The Complete Book of Home Environmental Hazards. Facts on File, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.