Martin, Alfred, author
UI-Press, 1993
Buku Teks
Moechtar, author
Gadjah Mada University Press, 1989
Buku Teks
Martin, Alfred, author
UI-Press, 1990
Buku Teks
Knapp, B.J., author
George Allen and Unwin, 1982
Buku Teks
De Blij, Harm J., author
John Wiley & Sons, 1993
Buku Teks