Watkins, M. (2013). The first 90 days: Proven strategies for getting up to speed faster and smarter. Harvard Business Review Press.
Chicago-tyylinen lähdeviittausWatkins, Michael. The First 90 Days: Proven Strategies for Getting Up to Speed Faster and Smarter. Harvard Business Review Press, 2013.
MLA-viiteWatkins, Michael. The First 90 Days: Proven Strategies for Getting Up to Speed Faster and Smarter. Harvard Business Review Press, 2013.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.