Whitin, Thomson M.
Princeton University Press, 1957
Buku Teks
Prichard, James W.
John Wiley & Sons, 1965
Buku Teks
Munir Abdullah, author
1992
UI - Tesis (Membership)
Nugroho, author
Universitas Indonesia, 1987
UI - Skripsi Membership
Kevin Andry, author
2017
UI - Tugas Akhir