Gaya APA
Sukur, Silvester Goridus. (2007).
Comprehensive English Grammar TOEFL TEST (1).
Yogyakarta:
Indonesia Cerdas.
Gaya Chicago
Sukur, Silvester Goridus.
Comprehensive English Grammar TOEFL TEST.
1
Yogyakarta:
Indonesia Cerdas,
2007.
Text.
Gaya MLA
Sukur, Silvester Goridus.
Comprehensive English Grammar TOEFL TEST.
1
Yogyakarta:
Indonesia Cerdas,
2007.
Text.
Gaya Turabian
Sukur, Silvester Goridus.
Comprehensive English Grammar TOEFL TEST.
1
Yogyakarta:
Indonesia Cerdas,
2007.
Print.