APA (7e ed.) Bronvermelding

Watkins, M. (2003). The first 90 days: Critical success strategies for new leaders at all levels. Harvard Business School.

Chicago (17e ed.) Bronvermelding

Watkins, Michael. The First 90 Days: Critical Success Strategies for New Leaders at All Levels. Boston: Harvard Business School, 2003.

MLA (9e ed.) Bronvermelding

Watkins, Michael. The First 90 Days: Critical Success Strategies for New Leaders at All Levels. Harvard Business School, 2003.