edited by Charles A. Moore
Princeton University Press, 1946
Buku Teks
edited by Oren Ergas and Sharon Todd.
Blackwell, 2016
Buku Teks
Honolulu : University of Hawaii Press
Majalah, Jurnal, Buletin
Radhakrishnan, S. (Sarvepalli), 1888-1975, author
Harper & Brothers, 1956
Buku Teks
Young, Robert
Routledge, 1990
Buku Teks