Gaya APA
New Longman Science Workbook 2. (2006).
:
Pearson Longman.
Gaya Chicago
New Longman Science Workbook 2.
.
:
Pearson Longman,
2006.
Text.
Gaya MLA
New Longman Science Workbook 2.
.
:
Pearson Longman,
2006.
Text.
Gaya Turabian
New Longman Science Workbook 2.
:
Pearson Longman,
2006.
Print.