ANDERSON, H. C. (1993). FAVOURITE TALES THE UGLY DUCKLING. LADYBIRD BOOKS.
芝加哥风格引文ANDERSON, HANS. CHRISTIAN. FAVOURITE TALES THE UGLY DUCKLING. LONDON: LADYBIRD BOOKS, 1993.
MLA引文ANDERSON, HANS. CHRISTIAN. FAVOURITE TALES THE UGLY DUCKLING. LADYBIRD BOOKS, 1993.
警告：这些引文格式不一定是100％准确.