APA Style
Herrera, Mario. ().
Backpack 1 British English (2 Cd) .
Singapore:
Pearson Longman.
Chicago Style
Herrera, Mario.
Backpack 1 British English (2 Cd).
Singapore:
Pearson Longman,
.
Audio Visual.
MLA Style
Herrera, Mario.
Backpack 1 British English (2 Cd).
Singapore:
Pearson Longman,
.
Audio Visual.
Turabian Style
Herrera, Mario.
Backpack 1 British English (2 Cd).
Singapore:
Pearson Longman,
.
Audio Visual.