APA-viite (7. p.)
HINGSBURGER, D. (1995). THE RING OF SAFETY: TEACHING PEOPLE WITH DISABILITIES TO BE THEIR OWN FIRST-LINE OF DEFENSE.
Chicago-viite (17. p.)
HINGSBURGER, D. THE RING OF SAFETY: TEACHING PEOPLE WITH DISABILITIES TO BE THEIR OWN FIRST-LINE OF DEFENSE. 1995.
MLA-viite (9. p.)
HINGSBURGER, D. THE RING OF SAFETY: TEACHING PEOPLE WITH DISABILITIES TO BE THEIR OWN FIRST-LINE OF DEFENSE. 1995.
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