Giphart, Ronald, author
Podium, 2006
Buku Teks
Fielding, Joy, author
Gramedia Pustaka Utama, 2005
Buku Teks
Lenin, Vladimir I., author
Foreign Languages Publishing House, 1959
Buku Teks
edited by Richard H. Egdahl and Diana Chapman Walsh
Springer-Verlag, 1978
Buku Teks
Starke, J.G., author
Melbourne University Press, 1965
Buku Teks