Dyfyniad APA

Karoly, P., O'Grady, D. J., & Steffen, J. (1982). Child health psychology: Concepts and issues. Pergamon Press.

Dyfyniad Arddull Chicago

Karoly, Paul, Donald J. O'Grady, and John Steffen. Child Health Psychology: Concepts and Issues. New York: Pergamon Press, 1982.

Dyfyniad MLA

Karoly, Paul, et al. Child Health Psychology: Concepts and Issues. Pergamon Press, 1982.

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