David L.Blenkhorn & Craig S.Fleisher. (2000). Competitive intelligence and global business. Rain Tree Publishing.
استشهاد بنمط شيكاغوDavid L.Blenkhorn و Craig S.Fleisher. Competitive Intelligence and Global Business. Chennai: Rain Tree Publishing, 2000.
MLA استشهادDavid L.Blenkhorn و Craig S.Fleisher. Competitive Intelligence and Global Business. Rain Tree Publishing, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.