Gaya APA
TEACHING ENGLISH AS A FOREIGN LANGUAGE (TEFL). (2007).
Pekanbaru:
ALAF RIAU GRABA UNRI PRESS.
Gaya Chicago
TEACHING ENGLISH AS A FOREIGN LANGUAGE (TEFL).
.
Pekanbaru:
ALAF RIAU GRABA UNRI PRESS,
2007.
Non Fiksi.
Gaya MLA
TEACHING ENGLISH AS A FOREIGN LANGUAGE (TEFL).
.
Pekanbaru:
ALAF RIAU GRABA UNRI PRESS,
2007.
Non Fiksi.
Gaya Turabian
TEACHING ENGLISH AS A FOREIGN LANGUAGE (TEFL).
Pekanbaru:
ALAF RIAU GRABA UNRI PRESS,
2007.
Non Fiksi.