Gaya APA
Abbs, Brian. (2005).
Sky 1 Student Book (1).
:
London, Pearson Longman 2005.
Gaya Chicago
Abbs, Brian.
Sky 1 Student Book.
1
:
London, Pearson Longman 2005,
2005.
.
Gaya MLA
Abbs, Brian.
Sky 1 Student Book.
1
:
London, Pearson Longman 2005,
2005.
.
Gaya Turabian
Abbs, Brian.
Sky 1 Student Book.
1
:
London, Pearson Longman 2005,
2005.
.