American Psychological Association
Helms, Donald B, & Turner, Jeffrey S ( 1976 ). Expolring Child Behaviour ( 00 ed. ). WB Saunders & Co.
Modern Language Association
Helms, Donald B and Turner, Jeffrey S. Expolring Child Behaviour . WB Saunders & Co. 1976
Chicago Citation
Helms, Donald B and Turner, Jeffrey S. Expolring Child Behaviour . 00 .Philadelphia
: WB Saunders & Co, 1976.
American Medical Association
Helms, Donald B and Turner, Jeffrey S. Expolring Child Behaviour . WB Saunders & Co; 1976.
