Alfi Sanubari, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2019
UI - Skripsi (Membership)
Konopka, Gisela, author
Prentice-Hall, 1963
Buku Teks
Trecker, Harleigh B., author
Association Press, 1967
Buku Teks
Thibaut, John W.
John Wiley & Sons, 1967
Buku Teks
Miles, Matthew B., author
Teachers College Press, 1973
Buku Teks