Gaya APA
Gates, P., Saulles, T, D.
(2008).
Horrible science : Evolve or die
(
1nd Edition)
.
London:
ScholasticLtd.
Gaya MLA
Gates, Phil., Saulles, Tony, De.
"Horrible science : Evolve or die".
1nd Edition
London:
ScholasticLtd,
2008.
Text.