Brooks, W. T. (2008). Perfect phrases for lead generation: Hundreds of ready-to-use phrases for finding new customers, keeping your pipeline full, and growing your sales. New York: McGraw-Hill.
استشهاد بنمط شيكاغوBrooks, William T. Perfect Phrases for Lead Generation: Hundreds of Ready-to-use Phrases for Finding New Customers, Keeping Your Pipeline Full, and Growing Your Sales. New York: McGraw-Hill, 2008.
MLA استشهادBrooks, William T. Perfect Phrases for Lead Generation: Hundreds of Ready-to-use Phrases for Finding New Customers, Keeping Your Pipeline Full, and Growing Your Sales. New York: McGraw-Hill, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.