APA
Martin Kohn, . (1977). Social competence, symptoms and underachievement in childhood : a longitudinal perspective. John Wiley & Sons, New York: .
Chicago
Martin Kohn, . 1977. Social competence, symptoms and underachievement in childhood : a longitudinal perspective. John Wiley & Sons, New York: .
Harvard
Martin Kohn, . (1977). Social competence, symptoms and underachievement in childhood : a longitudinal perspective. John Wiley & Sons, New York: .
MLA
Martin Kohn, . Social competence, symptoms and underachievement in childhood : a longitudinal perspective. John Wiley & Sons, New York: . 1977.