TIME LIFE BOOKS. (1982). COMMON SENSE GUIDE TO SEX,BIRTH & BABIES. LIBRARY OF HEALTH.
Chicago-viite (17. p.)TIME LIFE BOOKS. COMMON SENSE GUIDE TO SEX,BIRTH & BABIES. ALEXANDRIA: LIBRARY OF HEALTH, 1982.
MLA-viite (9. p.)TIME LIFE BOOKS. COMMON SENSE GUIDE TO SEX,BIRTH & BABIES. LIBRARY OF HEALTH, 1982.
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