Hardoy, J. E. (1986). Small and intermediate urban centres: Their role in regional and national development in the Thirld World. Hodder and Stoughton.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hardoy, Jorge Enriquez. Small and Intermediate Urban Centres: Their Role in Regional and National Development in the Thirld World. London: Hodder and Stoughton, 1986.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hardoy, Jorge Enriquez. Small and Intermediate Urban Centres: Their Role in Regional and National Development in the Thirld World. Hodder and Stoughton, 1986.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.