Gill, Shivjot (2020) Impact of mental training intervention on shooters and archers. Doctoral thesis, O.P. Jindal Global University, Haryana, India.

Gill, Shivjot and Clammer, John (2019) Multidimensional mysticism. In: Practical spirituality and human development: Creative experiments for alternative futures. Palgrave Macmillan, Singapore, pp. 17-37. ISBN 978-981-13-3687-4