APA Style
Checkpoint English 1 Teacher's Resource Book;Text;;9. ().
:
.
Chicago Style
Checkpoint English 1 Teacher's Resource Book;Text;;9.
John>;;;;;.
:
,
.
.
MLA Style
Checkpoint English 1 Teacher's Resource Book;Text;;9.
John>;;;;;.
:
,
.
.
Turabian Style
Checkpoint English 1 Teacher's Resource Book;Text;;9.
:
,
.
.