Hurlock, E. B. (1978). Child growth and development (5th ed.). Webster Division, McGraw-Hill.
Cita Chicago (17th ed.)Hurlock, Elizabeth Bergner. Child Growth and Development. 5th ed. New York: Webster Division, McGraw-Hill, 1978.
Cita MLA (9th ed.)Hurlock, Elizabeth Bergner. Child Growth and Development. 5th ed. Webster Division, McGraw-Hill, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.