R. Rendy Harsanto
Kondisi masyarakat kulit hitam dan musik blues di Amerika Serikat tahun 1920-1940
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2003
 UI - Skripsi Membership
Sources of the American social tradition
edited by David J. Rothman and Sheila M. Rothman
Basic Books, 1975
 Buku Teks
The social fabric volume II : American life from the civil war to the present
by Thomas L. Hartshorne ... [and others]
Longman, 2003
 Buku Teks
Natasya Putri
Fashion Berkelanjutan dan E-WOM di Media Sosial: Kajian Literatur = Sustainable Fashion and E-WOM in Social Media: A Literature Review
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2022
 UI - Tugas Akhir
Warner, W. Lloyd
Social class in America : a manual of procedure for the measurement of social status
Science Research Associates, 1949
 Buku Teks