Gaya APA

Ries, A., Trout, J. (1986). Positioning : The Battle For Your Mind (First Edition). New York: Mc Granc-Hill Book Company.

Gaya MLA

Ries, AL., Trout, Jack. "Positioning : The Battle For Your Mind". First Edition New York: Mc Granc-Hill Book Company, 1986. Buku.