Artikel Jurnal
Hansen, Alvin Harvey, 1887-1975, author
Amacom, 1977
Buku Teks
Hansen, Alvin Harvey, 1887-1975, author
McGraw-Hill, 1949
Buku Teks
Goeltom, Miranda S., author
[publisher not identified], 2007
Buku Teks
Yudha Permana, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2004
UI - Tesis (Membership)