Gaya APA
Poskitt, K. (2010).
Murderous Maths : Easy Questions Evil Answers/ It's maths with the laughs added in! (-).
New York:
Scholastic.
Gaya MLA
Poskitt, Kjartan.
"Murderous Maths : Easy Questions Evil Answers/ It's maths with the laughs added in!".
-
New York:
Scholastic,
2010.
Text.