Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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