Van Valkenburg, M.E. (Mac Elwyn), author
John Wiley, 1960
Buku Teks
R.H. Tupkary
khana Publisher, 1983
Buku Teks
Jessup, Philip C. (Philip Caryl), 1897-1986, author
Macmillan, 1956
Buku Teks
Jessup, Philip C. (Philip Caryl), 1897-1986, author
Macmillan, 1949
Buku Teks
Jessup, Philip C. (Philip Caryl), 1897-1986, author
Macmillan, 1950
Buku Teks