Davidson, Jamie S.
Cambridge University Press, 2018
Buku Teks
Drucker, Peter Ferdinand, 1909-2005
Harper & Brothers, 1957
Buku Teks
Dulles, Foster Rhea
New Jersey, 1946
Buku Teks
Neal, Harry Edward
Julian Messner, 1963
Buku Teks
Neal, Harry Edward
Julian Messner, 1967
Buku Teks