Leplar, A. C. (1998). Read it yourself. level 4. Ladybird.
Chicago Style (17th ed.) ZitazioaLeplar, Anna C. Read It Yourself. Level 4. Italy: Ladybird, 1998.
MLA (9th ed.) ZitazioaLeplar, Anna C. Read It Yourself. Level 4. Ladybird, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.