Levine, Michael, author
McGraw-Hill, 2001
Buku Teks
Middleberg, Don, author
McGraw-Hill, 2001
Buku Teks
Newsom, Doug, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Rini Darmastuti
Gaya Media, 2007
Buku Teks
Luthviana Riannisa Astari, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
UI - Tugas Akhir