APA
Holzwarth W., Erlbruch W., . (1994). The story of the little mole who knew it was none of his business. Londres: Pavillon Children's Books.
Chicago
Holzwarth Werner, Erlbruch Wolf, . 1994. The story of the little mole who knew it was none of his business. Londres: Pavillon Children's Books.
Harvard
Holzwarth W., Erlbruch W., . (1994). The story of the little mole who knew it was none of his business. Londres: Pavillon Children's Books.
MLA
Holzwarth Werner, Erlbruch Wolf, . The story of the little mole who knew it was none of his business. Londres: Pavillon Children's Books. 1994.