APA Style
Barton, L., Sardinas, C, D. (2004).
Northstar reading and writing intermediate .
[s.l.]:
Pearson Education.
MLA Style
Barton, Laurie., Sardinas, Carolyn, Dupaquier.
"Northstar reading and writing intermediate".
[s.l.]:
Pearson Education,
2004.
Text.