APA
Hurlock E. B., . (1973). Adolescent development 4th ed. : .
Chicago
Hurlock Elizabeth B, . 1973. Adolescent development 4th ed. : .
Harvard
Hurlock E. B., . (1973). Adolescent development 4th ed. : .
MLA
Hurlock Elizabeth B, . Adolescent development 4th ed. : . 1973.