University of Souther California Press, 1980
Buku Teks
Schiff, Brian, author
Oxford University Press, 2017
eBooks
Van Alsenoy, Brendan, author
Intersentia, 2019
eBooks
Hepner, Harry W., author
Prentice-Hall, 1971
Buku Teks
Khalila Meutia, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
UI - Makalah dan Kertas Kerja