Street, H.
Cambridge University Press, 1953
Buku Teks
Tebbens, Henricus Duintjer, 1943-, author
Sijthoff & Noordhoff, 1980
Buku Teks
Oliphant, Ken, author
Intersentia, 2017
eBooks
M. Nijhoff, 1958.
Buku Teks
Mikesell, R.M., author
Lembaga Penerbit FEUI, 1969
Buku Teks