Parkinson, Joy
Churchill Livingstone, 2004
Buku Teks
Rayner Hardjono
Gramedia Pustaka Utama, 2000
Buku Teks
Erika Cudworth, Stephen Hobden and Emilian Kavalski, editors
Routledge, Taylor & Francis Group, 2018
Buku Teks
Chambers, Iain
Routledge, 1990
Buku Teks
translated by W.H.D. Rouse
Mentor Books , 1956
Buku Teks