J.. Glenn Forister, J. Dennis Blessing (2019) Introduction to Research and Medical Literature for Health Professionals Editora: Jones & Bartlett Learning; 5a edição (25 março 2019); ISBN-10: 1284153770; ISBN-13: 978-1284153774
Catherine Dawson (2019) Introduction to Research Methods 5th Edition: A Practical Guide for Anyone Undertaking a Research Project ; Editora: Robinson; 5a edição (3 janeiro 2019); ISBN-10 : 1408711052; ISBN-13: 978-1408711057