HASHMI , A. (1994). SOUND: CHILDREN'S SCIENCE LIBRARY.
Chicago Style aipamenaHASHMI , A.H. SOUND: CHILDREN'S SCIENCE LIBRARY. 1994.
MLA aipamenaHASHMI , A.H. SOUND: CHILDREN'S SCIENCE LIBRARY. 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.