Yi-Fu Tuan
University of Minnesota Press, 2005
Buku Teks SO
Damisch, Hubert
MIT Press, 2000
Buku Teks SO
Bachelard, Gaston
Beacon Press, 1994
Buku Teks SO
Sarabjot Singh
Management, Faculty of Economics, University of Indonesia and Philip Kotler Center, 2013
Artikel Jurnal
Ruzaimi Mat Rani
Words & Visuals Press Pte Ltd,
Buku Referensi