Kiikeri, Markku
Kluwer Academic Publishers, 2001
Buku Teks
Tawney, R.H.
George Allen and Unwin, 1952
Buku Teks
hapus4
China Renmin University Press, 2015
eBooks
Zelermyer, William
Prentice-Hall, 1960
Buku Teks
Ariyono Suyono
Akademika Pressindo, 1985
Buku Teks