Gaya APA
Jones, H, D, M, R. (2005).
Step ahead 2 : writing, punctuation, jurnal, values and ideas, , futher learning, listening, grammar thingking skills .
Singapore:
SNP.
Gaya MLA
Jones, Heather, Dan, Mann,, Robyn.
"Step ahead 2 : writing, punctuation, jurnal, values and ideas, , futher learning, listening, grammar thingking skills".
Singapore:
SNP,
2005.
Text.