Cencini, Alvaro
Routledge , 1997
Buku Teks
Halm, George N., author
Blakiston, 1948
Buku Teks
Patinkin, Don, author
Harper & Row, 1965
Buku Teks
Sugiharso Safuan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
UI - Pidato
Aschheim, Joseph
Ohio A Bell & Howell 1, 1969
Buku Teks