Formula One World Championship: (L TO R): Domingos Piedade (POR); Alain Prost (FRA) McLaren; Niki Lauda (AUT) McLaren; Ron Dennis (GBR) McLaren Team Principal; Ayrton Senna (BRA) Toleman. Formula One World Championship, Rd16, Portuguese Grand Prix, Estoril, Portugal. 21 October 1984.
(L TO R): Domingos Piedade (POR); Alain Prost (FRA) McLaren; Niki Lauda (AUT) McLaren; Ron Dennis (GBR) McLaren Team Principal; Ayrton Senna (BRA) Toleman.
Formula One World Championship, Rd16, Portuguese Grand Prix, Estoril, Portugal. 21 October 1984.