Hurlock, E. B. (1955). Adolescent development (2nd ed.). McGraw-Hill.
Cita Chicago (17th ed.)Hurlock, Elizabeth Bergner. Adolescent Development. 2nd ed. New York: McGraw-Hill, 1955.
Cita MLA (9th ed.)Hurlock, Elizabeth Bergner. Adolescent Development. 2nd ed. McGraw-Hill, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.