APA aipamena

Casey, H. (2009). Family and Frends 5. OXFORD.

Chicago Style aipamena

Casey, Helen. Family and Frends 5. OXFORD, 2009.

MLA aipamena

Casey, Helen. Family and Frends 5. OXFORD, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.