APA Style
Helen, ., Orme, D. (2008).
Blast Off! : Let's Explore Venus .
kuala lumpur:
Utusan Publications & Distributors Sdn Bhd.
MLA Style
Helen, ., Orme, David.
"Blast Off! : Let's Explore Venus".
kuala lumpur:
Utusan Publications & Distributors Sdn Bhd,
2008.
Text.