Laird, Donald A.
McGraw-Hill Book Company, Inc, 1956
Buku Teks
edited by Muzafer Sherif and M.O. Wilson
Harper & Brothers, 1953
Buku Teks
Utami Kusumadewi, author
2018
UI - Tesis (Membership)
Indira Kusuma Siriani, author
2020
UI - Makalah dan Kertas Kerja
Lombard, George F.F.
Harvard University, Division of Research, Graduate School of Business Administration, 1955
Buku Teks