Howe, Sean
HarperCollins, 2012
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McCloud, Scott
Northamton : Kitchen Sink Press, 1993
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Kukkonen, Karin, 1980-
Wiley Blackwell, 2013
Buku Teks SO
Roberto Bellarmino Kartiko Chrysna Jaya
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2019
UI - Tugas Akhir
Allison, Anne
University of California Press, 2000
Buku Teks SO