ANDERSON, H. C. (1993). FAVOURITE TALES THE UGLY DUCKLING. LADYBIRD BOOKS.
Cita Chicago Style (17a ed.)ANDERSON, HANS. CHRISTIAN. FAVOURITE TALES THE UGLY DUCKLING. LONDON: LADYBIRD BOOKS, 1993.
Cita MLA (9a ed.)ANDERSON, HANS. CHRISTIAN. FAVOURITE TALES THE UGLY DUCKLING. LADYBIRD BOOKS, 1993.
Precaución: Estas citas no son 100% exactas.