APA Style
O'SULLIVAN, A, ;, S, S, M. (2007).
Prentice Hall Economics Principles in Action .
:
Pearson-Prentice Hall.
MLA Style
O'SULLIVAN, Arthur, ;, SHEFFRIN,, Steven, M..
"Prentice Hall Economics Principles in Action".
:
Pearson-Prentice Hall,
2007.
BOOK.