Mackay, Harvey. Dig your well before you're thirsty : the only networking book you'll ever need / Harvey Mackay. - 1st ed. - New York : Currency/Doubleday, c1997. - xvi, 310 p. ; 25 cm. "A Currency book." Includes index. ISBN: 0385485433 Subjects--Topical Terms: Business networks.Social networks. LC Class. No.: HD69.S8 / M25 1997 Dewey Class. No.: 302