APA-viite (7. p.)
LANDY, S., & WALSH, S. EARLY INTERVENTION WITH HIGH-RISK TEENAGE MOTHERS AND THEIR INFANTS.
Chicago-viite (17. p.)
LANDY, S., ja S. WALSH. EARLY INTERVENTION WITH HIGH-RISK TEENAGE MOTHERS AND THEIR INFANTS.
MLA-viite (9. p.)
LANDY, S., ja S. WALSH. EARLY INTERVENTION WITH HIGH-RISK TEENAGE MOTHERS AND THEIR INFANTS.
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