Friend, Irwin
John Wiley & Sons, 1954
Buku Teks
BAPPENAS, [date of publication not identified]
Buku Teks
Keirstead, B. S. (Burton Seely), author
Basil Blackwell, 1959
Buku Teks
Tri Sutrisno Adri, author
2019
UI - Skripsi (Membership)
Fauzi Hermawan, author
Program Pascasarjana Universitas Indonesia, 2008
UI - Tesis (Open)