Horgan, P. (1964). Things as they are. New York: Straus and company.
استشهاد بنمط شيكاغوHorgan, Paul. Things As They Are. New York: Straus and company, 1964.
MLA استشهادHorgan, Paul. Things As They Are. New York: Straus and company, 1964.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.