Gaya APA
Ang, Agnes. (1998).
Effective Grammar Primary 1 .
Jakarta:
Prenhallindo.
Gaya Chicago
Ang, Agnes.
Effective Grammar Primary 1.
Jakarta:
Prenhallindo,
1998.
Text.
Gaya MLA
Ang, Agnes.
Effective Grammar Primary 1.
Jakarta:
Prenhallindo,
1998.
Text.
Gaya Turabian
Ang, Agnes.
Effective Grammar Primary 1.
Jakarta:
Prenhallindo,
1998.
Print.