APA aipamena

MADHUBAN EDU. BOOKS. (2003). WHAT IS RECYCLING?

Chicago Style aipamena

MADHUBAN EDU. BOOKS. WHAT IS RECYCLING? 2003.

MLA aipamena

MADHUBAN EDU. BOOKS. WHAT IS RECYCLING? 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.