APA aipamena

STILLE, D. R. (2003). A NEW TRUE BOOK WATER POLLUTION. CHILDRENS PRESS.

Chicago Style aipamena

STILLE, DARLENE. R. A NEW TRUE BOOK WATER POLLUTION. CHICAGO: CHILDRENS PRESS, 2003.

MLA aipamena

STILLE, DARLENE. R. A NEW TRUE BOOK WATER POLLUTION. CHILDRENS PRESS, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.