Gaya APA
O'Neill, Robert, Burgess, Sally. (1993).
Longman english works workbook .
Essex:
Longman.
Gaya Chicago
O'Neill, Robert, Burgess, Sally.
Longman english works workbook.
Essex:
Longman,
1993.
Text.
Gaya MLA
O'Neill, Robert, Burgess, Sally.
Longman english works workbook.
Essex:
Longman,
1993.
Text.
Gaya Turabian
O'Neill, Robert, Burgess, Sally.
Longman english works workbook.
Essex:
Longman,
1993.
Print.