Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Sandra Grau". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 3 December 2016. Retrieved 24 March 2018. Full name: Sandra Grau Muxella
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Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Sandra Grau". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 3 December 2016. Retrieved 24 March 2018. Full name: Sandra Grau Muxella