Personal Trainer Manual page 401 table 11-2
Also table 5: http://journals.lww.com/acsm-msse/Fulltext/2011/07000/Quantity_and_Quality_of_Exercise_for_Developing.26.aspx
Also: http://www.mhhe.com/hper/nutrition/williams/student/appendix_i.pdf
Also: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3010619/