APA aipamena

(2015). THE BLUE UMBRELLA (4th.). RED TURTLE.

Chicago Style aipamena

THE BLUE UMBRELLA. 4th. NEW DELHI: RED TURTLE, 2015.

MLA aipamena

THE BLUE UMBRELLA. 4th. RED TURTLE, 2015.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.