edited by F. Champion Ward
Praeger, 1974
Buku Teks
Gould, W.T.S.
John Wiley, Longman Scientific, 1993
Buku Teks
King, Kenneth
Longmann Group, 1991
Buku Teks
edited by Keith Watson
Croom Helm, 1982
Buku Teks
Antonius Heruyono
Sekolah Ilmu Lingkungan Universitas Indonesia, 2023
UI - Tesis Membership