APA

Haughton G., Hunter C. & Regional Studies Association. (1994). Sustainable cities. London [u.a.]: Kingsley [u.a.].

Chicago

Haughton Graham, Hunter Colin and Regional Studies Association. 1994. Sustainable cities. London [u.a.]: Kingsley [u.a.].

Harvard

Haughton G., Hunter C. and Regional Studies Association. (1994). Sustainable cities. London [u.a.]: Kingsley [u.a.].

MLA

Haughton Graham, Hunter Colin and Regional Studies Association. Sustainable cities. London [u.a.]: Kingsley [u.a.]. 1994.