APA aipamena

(2009). PYP L7 Teeth single (Pearson Baccalaureate PrimaryYears Programme). Heinemann.

Chicago Style aipamena

PYP L7 Teeth Single (Pearson Baccalaureate PrimaryYears Programme). Heinemann, 2009.

MLA aipamena

PYP L7 Teeth Single (Pearson Baccalaureate PrimaryYears Programme). Heinemann, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.