Health risks and developmental transitions during adolescence / ed. by John Schulenberg, Jennifer L. Maggs, Klaus Hurrelmann. - Cambridge : Cambridge University Press, 1999. - xviii, 580 p. : fig. ; 23 cm.см.. - ბიბლიოგრ. ტექსტის შენიშვნებში. - ISBN 0-521-66437-3[MFN: 39598]