APA Style
Herrera, Mario. (2007).
Backpack 1 British English (Workbook) (4).
Singapore:
Pearson Longman.
Chicago Style
Herrera, Mario.
Backpack 1 British English (Workbook).
4
Singapore:
Pearson Longman,
2007.
Printed Book.
MLA Style
Herrera, Mario.
Backpack 1 British English (Workbook).
4
Singapore:
Pearson Longman,
2007.
Printed Book.
Turabian Style
Herrera, Mario.
Backpack 1 British English (Workbook).
4
Singapore:
Pearson Longman,
2007.
Printed Book.