Gaya APA
Stephenson, Helen. (2016).
Life Intermediate Student's Book B1+ (Indonesia Edition).
:
Cengage Learning.
Gaya Chicago
Stephenson, Helen.
Life Intermediate Student's Book B1+.
Indonesia Edition
:
Cengage Learning,
2016.
Text.
Gaya MLA
Stephenson, Helen.
Life Intermediate Student's Book B1+.
Indonesia Edition
:
Cengage Learning,
2016.
Text.
Gaya Turabian
Stephenson, Helen.
Life Intermediate Student's Book B1+.
Indonesia Edition
:
Cengage Learning,
2016.
Print.