Schumacher, E. F. 1. (1989). Small is beautiful: Economics as if people mattered (1st Perennial library ed.). New York: HarperPerennial.
استشهاد بنمط شيكاغوSchumacher, E. F. 1911-1977. Small Is Beautiful: Economics As If People Mattered. 1st Perennial library ed. New York: HarperPerennial, 1989.
MLA استشهادSchumacher, E. F. 1911-1977. Small Is Beautiful: Economics As If People Mattered. 1st Perennial library ed. New York: HarperPerennial, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.