APA
ROGERS P., ROGERS E., . (2001). Ruby's Potty. NEW YORK: DUTTON CHILDREN'S BOOKS.
Chicago
ROGERS PAUL, ROGERS EMMA, . 2001. Ruby's Potty. NEW YORK: DUTTON CHILDREN'S BOOKS.
Harvard
ROGERS P., ROGERS E., . (2001). Ruby's Potty. NEW YORK: DUTTON CHILDREN'S BOOKS.
MLA
ROGERS PAUL, ROGERS EMMA, . Ruby's Potty. NEW YORK: DUTTON CHILDREN'S BOOKS. 2001.