Dari Depok Meraih Dunia
 Artikel Jurnal
Class, status, and power: social stratification in comparative perspective
edited by Reinhard Bendix and Seymour Martin Lipset
Free Press, 1966
 Buku Teks
Class Matters: working-class, women's perspectives on social class
edited by Pat Mahony, Christine Zmroczek
Taylor and Francis, 1997
 Buku Teks
Buxton, L.H. Dudley
Oxford University ceremonies
The Clarendon Press, 1935
 Buku Teks
Bulletin of Kyoto University of Education
Kyoto University of Education I Fujinomori-cho, 2006
 Majalah, Jurnal, Buletin