American Psychological Association (2020). Publication manual of the American psychological association (7th ed.). Author. ISBN 13: 9781433832178
Davies, B. & Logan, J. (2018). Reading research: A user-friendly guide for health professionals (6th ed.). Elsevier. ISBN 13: 9781771720731
Jacobsen, K. H. (2021). Introduction to health research methods: A practical guide (3rd ed.). Jones and Bartlett Learning. ISBN 13: 9781284197563