Gaya APA

Litton, J., Cartographik, L. (2016). A Celebration of Languages and Curiosities : Hello World (1). Inggris: Caterpillar Books.

Gaya MLA

Litton, Jonathan., Cartographik, L'Atalier. "A Celebration of Languages and Curiosities : Hello World". 1 Inggris: Caterpillar Books, 2016. Text.