Gaya APA

Litton, J., Cartographik, L. (2016). Hello World : A Celebration of Languages and Curiosities (1). United Kingdom: 360 Degrees.

Gaya MLA

Litton, Jonathan., Cartographik, L'Atalier. "Hello World : A Celebration of Languages and Curiosities". 1 United Kingdom: 360 Degrees, 2016. Text.