APA Style
Herrera, Mario, Pinkley, Diane. (2008).
Backpack 6: Workbook British English .
Ashland:
Longman.
Chicago Style
Herrera, Mario, Pinkley, Diane.
Backpack 6: Workbook British English.
Ashland:
Longman,
2008.
Book.
MLA Style
Herrera, Mario, Pinkley, Diane.
Backpack 6: Workbook British English.
Ashland:
Longman,
2008.
Book.
Turabian Style
Herrera, Mario, Pinkley, Diane.
Backpack 6: Workbook British English.
Ashland:
Longman,
2008.
Book.