Daly, M. T. (Maurice T.), 1939-
George Allen and Unwin, 1982
Buku Teks
Vera Amelia, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1994
UI - Skripsi (Membership)
Puguh B. Irawan
International Labour Office , 2000
Buku Teks
Meriam, J. L. (James L.), author
John Wiley & Sons, 1966
Buku Teks
Meriam, James L., author
John Wiley & Sons, 1975
Buku Teks