Athayde, W. P., Elswick, R., & Lombard, P. (2015). Project management essentials: A quick and easy guide to the most important concepts and best practices for managing your projects right (3rd.). Viva Books.

Athayde, William P., Ruth Elswick, and Paul Lombard. Project Management Essentials: A Quick and Easy Guide to the Most Important Concepts and Best Practices for Managing Your Projects Right. 3rd. New Delhi: Viva Books, 2015.

Athayde, William P., et al. Project Management Essentials: A Quick and Easy Guide to the Most Important Concepts and Best Practices for Managing Your Projects Right. 3rd. Viva Books, 2015.