Ware, Norman J
Russel & Russell, 1970
Buku Teks
Montgomery, David, author
Cambridge University Press, 1979
Buku Teks
Patterson, Samuel Howard, author
McGraw-Hill, 1929/1943
Buku Teks
Amartya Elisa Siadari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
UI - Skripsi Membership
Budd, John W., author
McGraw-Hill, 2005
Buku Teks