Kohler, Eric L.
Accounting in the federal government / Eric L. Kohler, Howard W. Wright
Prentice-Hall, 1957
 Buku Teks
Hawkins, Everett D.
Entrepreneurship and labor skills in Indonesian economic development / by Everett D. Hawkins, Leslie H. Palmier and Harold W. Gunthrie
Yale University, 1961
 Buku Teks
New government's labor policy pursuit of social integration and growth opportunities
 Artikel Jurnal
Sinaga, Tumpak Maniroy
Partai buruh dalam pemilu federal 2010 dan pembentukan Minority Government di Australia = Labor party in the 2010 federal election and forming Minority government in Australia / Tumpak Maniroy Sinaga,
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
 UI - Skripsi Membership
Ferguson, John H.
The American federal government
McGraw-Hill, 1981
 Buku Teks SO