Παραπομπή APA

Haughton, G., Hunter, C., & Hunter, C. (1994). Sustainable cities. London ; Bristol: Jessica Kingsley, Regional Studies Association.

Παραπομπή Chicago Style

Haughton, Graham, Colin Hunter, and Colin Hunter. Sustainable Cities. London ; Bristol: Jessica Kingsley, Regional Studies Association, 1994.

Παραπομπή MLA

Haughton, Graham, Colin Hunter, and Colin Hunter. Sustainable Cities. London ; Bristol: Jessica Kingsley, Regional Studies Association, 1994.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.