Organisation for Economic Co-operation and Development, 1977
Buku Teks
Hussain, K.M.
Organization for Economic Co-operation and Development , 1976
Buku Teks
McDonough, Adrian M.
McGraw-Hill, 1963
Buku Teks
McDonough, Adrian M.
McGraw-Hill Book Company, Inc., 1963
Buku Teks
McCorkle, Chester O., author
Jossey-Bass Publishers, 1982
Buku Teks