Gaya APA

Watkins, M, D. (2013). The First 90 Days: Proven Strategies for Getting Up to Speed Faster and Smarter, Updated and Expanded . Boston: Harvard Bussiness Review Press.

Gaya MLA

Watkins, Michael, D.. "The First 90 Days: Proven Strategies for Getting Up to Speed Faster and Smarter, Updated and Expanded". Boston: Harvard Bussiness Review Press, 2013. FIC.