Herman, Irving P.
Springer New York : Imprint : Springer, 2016
Buku Teks SO
Muhammad Andrew Aldjufrie
2016
UI - Skripsi Membership
edited by Douglas L. Moeller, James L. Moeller
Wolters Kluwer, 2007
Buku Teks SO
Peter Brukner, Ben Clarsen, Jill Cook, Ann Cools, Kay Crossley, Mark Hutchinson, Paul McCrory, Roald Bahr, Karim Khan, authors
McGraw-Hill Education , 2017
Buku Teks SO
Gultom, Hulman
Program Pascasarjana Universitas Indonesia, 1989
UI - Tesis Membership