APA (7th ed.) Zitazioa
SIPERSTEIN, G., & ET AL. THE QUALITY OF FRIENDSHIPS BETWEEN CHILDREN WITH AND WITHOUT LEARNING PROBLEMS.
Chicago Style (17th ed.) Zitazioa
SIPERSTEIN, G.N, eta ET AL. THE QUALITY OF FRIENDSHIPS BETWEEN CHILDREN WITH AND WITHOUT LEARNING PROBLEMS.
MLA (9th ed.) Zitazioa
SIPERSTEIN, G.N, eta ET AL. THE QUALITY OF FRIENDSHIPS BETWEEN CHILDREN WITH AND WITHOUT LEARNING PROBLEMS.
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