Gaya APA

Levinson, J, C. et al (2007). Guerrilla marketing : easy and inexpensive strategies for making big profits from your small business . Boston: Houghton Mifflin Company.

Gaya MLA

Levinson, Jay, Conrad. et al. "Guerrilla marketing : easy and inexpensive strategies for making big profits from your small business". Boston: Houghton Mifflin Company, 2007. Text.