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Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Skripsi (Membership)
Sri Utary, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2015
UI - Skripsi (Membership)
Foster, Louis O., author
Chelton, 1961
Buku Teks
Hawkins, David F., author
Dow Jones/Irwin, 1972
Buku Teks
Brownlee, E. Richard, author
McGraw-Hill, 2001
Buku Teks