APA (7e ed.) Bronvermelding
ebrary, Inc. (1998). Protecting youth at work: Health, safety, and development of working children and adolescents in the United States. National Academy Press.
Chicago (17e ed.) Bronvermelding
ebrary, Inc. Protecting Youth at Work: Health, Safety, and Development of Working Children and Adolescents in the United States. Washington, D.C.: National Academy Press, 1998.
MLA (9e ed.) Bronvermelding
ebrary, Inc. Protecting Youth at Work: Health, Safety, and Development of Working Children and Adolescents in the United States. National Academy Press, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.