Gardner, Franklin P.
UI-Press, 1991
Buku Teks
[edited by] Peter R. Goldsworthy dan N.M. Fisher ; penerjemah: Tohari; penyunting: Soedharoedjian
Gadjah Mada University Press, 1992
Buku Teks SO
Gardner, Franklin P.
UI-Press, 1991
Buku Teks SO
editor, Malcolm B. Wilkins ; penerjemah, Mul Mulyani Sutejo, A.G. Kartasapoetra
Aksara, 1992
Buku Teks SO
Fitter, A.H.
Gadjah Mada University Press, 1992
Buku Teks SO