Sweet & Maxwell, 1960
Buku Teks
Khoury, Sarkis J.
Macmillan Publishing Company, 1983
Buku Teks
edited by James Daniel
McGraw-Hill, 1958
Buku Teks
Horas Djulius, author
Faculty of Economic and Business UIN Syarif Hidayatullah, 2019
Artikel Jurnal
Duwi Riyadi Putra, author
2015
UI - Skripsi (Membership)