Ratu Nabilah Nur'Aini, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
UI - Skripsi (Membership)
Lucas, Henry C., author
McGraw-Hill, 1981
Buku Teks
Murdick, Robert G., author
Prentice-Hall, 1984
Buku Teks
McLeod, Raymond, author
Prentice-Hall, 2001
Buku Teks
Dickson, Gary W., author
McGraw-Hill, 1985
Buku Teks