APA

Gotzen-Beek B. I., . (2011). Monstergeschichten. Ravensburg: Ravnsburger.

Chicago

Gotzen-Beek Betina Ill, . 2011. Monstergeschichten. Ravensburg: Ravnsburger.

Harvard

Gotzen-Beek B. I., . (2011). Monstergeschichten. Ravensburg: Ravnsburger.

MLA

Gotzen-Beek Betina Ill, . Monstergeschichten. Ravensburg: Ravnsburger. 2011.