APA
Hurlock E. B., . (1978). Child development. New Jersey: McGraw Hill.
Chicago
Hurlock Elizabeth B, . 1978. Child development. New Jersey: McGraw Hill.
Harvard
Hurlock E. B., . (1978). Child development. New Jersey: McGraw Hill.
MLA
Hurlock Elizabeth B, . Child development. New Jersey: McGraw Hill. 1978.