Su Lan Li's Citizenship interview is based on:

US Citizenship Podcast: A “Regular” Citizenship Interview Based on the USCIS N-400r (6 pgs, 75 questions) (updated 10/01/2016)

pdf: http://goo.gl/Q5BhXk
ppt: https://goo.gl/GUfiKY
vocab pdf: https://goo.gl/PsDrG9

Find more resources at

US Citizenship Podcast

http://www.uscitizenpod.com/