Litwack, Leon
The American labor movement
Prentice-Hall, 1962
 Buku Teks SO
Lapp, Ralph E.
Matter
Time Incorporated, 1963
 Buku Teks
Lapp, Ralph E.
Matter
Time Incorporated, 1963
 Buku Referensi
Kelvin Christiandy Sutiono
Analisa strategi humas dalam kampanye politik Donald Trump pada pemilihan Presiden Amerika Serikat 2016 = Analysis of public relations strategy on Donald Trump's political campaign in The United States Presidential Elections 2016
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2016
 UI - Makalah dan Kertas Kerja
Adela Gracilia
Black lives matter dalam perkembangan pergerakan kaum Afro-Amerika = Black lives matter in the development of African American movement
2016
 UI - Tesis Membership