Koperski, Jeffrey
Wiley Balckwell, 2015
Buku Teks
Riordan, Rick
Mizan Publika, 2017
Buku Teks SO
edited by John D. Borrow, Leon Mestel, and Peter A. Thomas
New York Academy of Sciences, 1991
Buku Teks SO
Cornford, Francis Macdonald
Routledge & Kegan Paul, 1956
Buku Teks SO
Payne, Laurence
Hodder and Stoughton , 1985
Buku Teks SO