Gaya APA

Silverman, George. (2001). The Secrets of word-of-mouth marketing : how to trigger expential sales through runaway word of mouth . New York: AMACOM.

Gaya Chicago

Silverman, George. The Secrets of word-of-mouth marketing : how to trigger expential sales through runaway word of mouth. New York: AMACOM, 2001. Buku.

Gaya MLA

Silverman, George. The Secrets of word-of-mouth marketing : how to trigger expential sales through runaway word of mouth. New York: AMACOM, 2001. Buku.

Gaya Turabian

Silverman, George. The Secrets of word-of-mouth marketing : how to trigger expential sales through runaway word of mouth. New York: AMACOM, 2001. Buku.