Braithwaite, Max
McClelland and Stewart, 1978
Buku Teks
Anthem Press, 2016
eBooks
Dekker, Eduard Douwes (1820-1887), author
Qanita, 2014
Buku Teks
Risdayanti, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2012
UI - Tesis (Open)
Freud, Julien
Vintage Books, 1969
Buku Teks