Eyestone, Robert
John Wiley & Sons, 1978
Buku Teks
edited by Jonathan Kelley and Clive Bean
George Allen & Unwin, 1988
Buku Teks
edited by S. Encel ... [et.al.]
Longman Cheshire, 1984
Buku Teks
Edited Kurt Finsterbusch and George Mckenna
Dushkin Publishing Group, 1986
Buku Teks
Windschuttle, Keith
Penguin Books, 1980
Buku Teks