Daytona 500 (1979-02-18): 15,100,000 average audience, Nielsen (press-attributed), final; published by Wikipedia, 2026-08-27, https://en.wikipedia.org/wiki/List_of_Daytona_500_broadcasters. Via RatingsReference, https://ratingsreference.com/telecast/daytona-500-1979-02-18, accessed 2026-09-15.