Gaya APA
Suyoto Bakir, R.. (2011).
Focus On English Grammar (Cet. 1).
Tangerang:
KARISMA Publihing Group.
Gaya Chicago
Suyoto Bakir, R..
Focus On English Grammar.
Cet. 1
Tangerang:
KARISMA Publihing Group,
2011.
Text.
Gaya MLA
Suyoto Bakir, R..
Focus On English Grammar.
Cet. 1
Tangerang:
KARISMA Publihing Group,
2011.
Text.
Gaya Turabian
Suyoto Bakir, R..
Focus On English Grammar.
Cet. 1
Tangerang:
KARISMA Publihing Group,
2011.
Print.