APA

Greve M., . (2009). Tap Tap Tap What's Hatching. London: Rourke Publishing.

Chicago

Greve Meg, . 2009. Tap Tap Tap What's Hatching. London: Rourke Publishing.

Harvard

Greve M., . (2009). Tap Tap Tap What's Hatching. London: Rourke Publishing.

MLA

Greve Meg, . Tap Tap Tap What's Hatching. London: Rourke Publishing. 2009.