Gaya APA

Levinson, J, C., Lautenslager, A. (2005). Guerrilla Marketing in 30 Days . indonesia: Penerbit Andi.

Gaya MLA

Levinson, Jay, Conrad., Lautenslager, Al. "Guerrilla Marketing in 30 Days". indonesia: Penerbit Andi, 2005. Text.