Fitter, A.H.
Gadjah Mada University Press, 1992
Buku Teks
Salisbury, Frank B., author
ITB Press, 1992
Buku Teks
Benyamin Lakitan, author
RajaGrafindo Persada, 2012
Buku Teks
[edited by] Peter R. Goldsworthy dan N.M. Fisher ; penerjemah: Tohari; penyunting: Soedharoedjian
Gadjah Mada University Press, 1992
Buku Teks
Gardner, Franklin P., author
UI-Press, 1991
Buku Teks