Gaya APA

Cefrey, H. (2002). What If The Hole in The Ozone Layer Grows Larger : Holly Cefrey . New York: Children\'s Press.

Gaya MLA

Cefrey, Holly. "What If The Hole in The Ozone Layer Grows Larger : Holly Cefrey". New York: Children\'s Press, 2002. English Corner.