スティーヴン・セガール
3. Tim Mak (July 3, 2018). "How Did Steven Seagal And Vladimir Putin Become BFFs? Bob Van Ronkel Introduced Them". NPR. Retrieved July 15, 2019. - https://www.npr.org/2018/07/03/624059365/how-did-steven-seagal-and-vladimir-putin-become-bffs-bob-van-ronkel-introduced-t