Citações estilo harvard

1. Smith, J. (2019). The power of positive thinking. Harvard University Press.

2. Johnson, A., & Brown, K. (2020). The impact of technology on society. Harvard Business Review.

3. Williams, S., et al. (2018). Climate change and its implications for global health. Harvard Public Health Review.

4. Lee, M., & Chen, L. (2017). The role of education in economic development. Harvard Education Review.

5. Garcia, R., et al. (2016). The future of work: challenges and opportunities. Harvard Business School Press.