edited by James B. Pritchard
Princeton University Press, 1975
Buku Teks
Vinache, Harold M., author
George Allen and Unwin, 1950
Buku Teks
Fisher, Sydney Nettleton
Routledge & Kegan Paul, 1959
Buku Teks
Ochsenwald, William, author
McGraw-Hill, 2011
Buku Teks
Mahlert, Ulrich
C.H. Beck, 1998
Buku Teks