Anne Buttimer, David Seamon, editors
Croom Helm, 1980
Buku Teks
Tan, Hock Beng, 1962-, author
Page one Publishing, 1996
Buku Referensi
Yi-Fu Tuan, author
University of Minnesota Press, 2005
Buku Teks
Casey, Edward S., 1939-, author
University of California Press, 1997
Buku Teks
edited by Phil Hubbard and Rob Kitchin
Sage, 2011
Buku Teks