Gaya APA

Switzler, A. et al (2013). Influencer : The New Science of Leading Change (2nd ed.). Wyman Street, Usa: Mcgraw Hill Education.

Gaya MLA

Switzler, Al. et al. "Influencer : The New Science of Leading Change". 2nd ed. Wyman Street, Usa: Mcgraw Hill Education, 2013. FIC.