Clark Unioversity Press, 1955
Buku Teks
Oxford University Press , 1996
Buku Teks
Jennifer Coates
Routledge, 2006
Buku Teks
Psychology Press , 1999
Buku Teks
Christopher Alexander, Sara Ishikawa, Murray Silverstein, Max Jacobson, Ingrid Fiksdahl-King, Sholomo Angel
Oxford University Press, 1977
Buku Referensi