Sihombing, Naomi Lamria Rismauli, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Makalah dan Kertas Kerja
Ignatius Rico Brans Bangun, author
2017
UI - Tesis (Membership)
Warren, Carl S., author
Cengage Learning, 2014
Buku Teks
Plummer, Alfred, author
Sir Isaac Pitman & Sons , 1951
Buku Teks
Adi Ratna Punggawa N., author
Fakultas Hukum Universitas Indonesia, 2001
UI - Skripsi (Membership)