Gaya APA

Campbel, J, E, L. (2012). The president's economy: parity in presidential party performance.(e-journal) (Vol. 42, Issue 4). Hoboken New Jersey United Stat: John Wiley & Sons, Inc..

Gaya MLA

Campbel, James, E., L. "The president's economy: parity in presidential party performance.(e-journal)". Vol. 42, Issue 4 Hoboken New Jersey United Stat: John Wiley & Sons, Inc., 2012. Artikel Jurnal.