Pelzer, Karl J.
American Geographical society, 1945
Buku Teks
Jafar suryomenggolo, editor
Marjin Kiri, 2021
Buku Teks
edited by Bernhard Grossmann
Otto Harrassowitz, 1972
Buku Teks
edited by Donna J. Amoroso
Dream Catcher Graphic , 2004
Buku Teks
Durdin, Tillman
Atheneum, 1966
Buku Teks