One of the refrences is suppose to be from the text book. Would you be able to do that with the name of the text? I do have the hard copy of the book with me but don’t know if you would have access to it on your end. 
Analyzing Sport Skills Assignment
Based on the information presented in the Burkett textbook chapter on Analyzing Sport Skills and the chapter on Identifying and Correcting Errors in Sport Skills, the student will write a 4 to 5 page (double-spaced) paper on how to analyze, identify, and correct errors in sport skills. Also, in the last section of the paper, the student will discuss how to incorporate 2D video analysis when analyzing sport skills based upon information presented in Watch: 2D Video Analysis of Sport Skills Part 1 and Watch: 2D Video Analysis of Sport Skills Part 2.
THIS IS THE BOOK IF YOU CAN GET ACCESS TO IT SOME HOW. 
Burkett, B. (2019). Applied sport mechanics (4th ed.). Human Kinetics. ISBN: 9781492558439.