Roderick, Lawson
London Angus & Robertson 1985
Buku Teks
Franklin, Benjamin
Liberal Arts Press, 1949
Buku Teks
Roderick, Colin
Angus & Robertson, 1985
Buku Teks
Sri Ulumi Badrawati
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1986
UI - Skripsi (Membership)
Tisna Prabasmoro
Program Pascasarjana Universitas Indonesia, 2005
UI - Tesis (Membership)