Gaya APA

Brooks, W. (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: Mc Graw Hill.

Gaya MLA

Brooks, William. "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: Mc Graw Hill, 2008. Text.