Gaya APA

Arnold, N., Saulles, T, D. (2008). Horrible science : Space, stars and slimy aliens (1nd Edition). London: ScholasticLtd.

Gaya MLA

Arnold, Nick., Saulles, Tony, De. "Horrible science : Space, stars and slimy aliens". 1nd Edition London: ScholasticLtd, 2008. Text.