Gaya APA
Suryoputro, G. (2008).
Strategies for reading economics texts : english for specific academic purpose (Cet.1).
Bogor:
Ghalia.
Gaya MLA
Suryoputro, Gunawan.
"Strategies for reading economics texts : english for specific academic purpose".
Cet.1
Bogor:
Ghalia,
2008.
Text.