Malau, Christoffel
Universitas Indonesia, 2013
UI - Tesis (Membership)
Handrias Haryotomo
Universitas Indonesia, 2006
UI - Tesis (Membership)
Graddy, Duane B.
Prentice-Hall, 1990
Buku Teks
Macmillan, 1981
Buku Teks
Taufani Sukmana Evandri
Universitas Indonesia, 2006
UI - Tesis (Membership)