APA
Hurlock B. E., . (1978). Child Development. McGraw - Hill, Singapore: .
Chicago
Hurlock B Elizabeth, . 1978. Child Development. McGraw - Hill, Singapore: .
Harvard
Hurlock B. E., . (1978). Child Development. McGraw - Hill, Singapore: .
MLA
Hurlock B Elizabeth, . Child Development. McGraw - Hill, Singapore: . 1978.