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^"Bubbly fun in Citroën's C3". CARmag.co.za. 22 April 2012. Archived from the original on 19 April 2016. Retrieved 11 April 2016. The C3 is the first model to use PSA/Peugeot-Citroën's new small PF1 platform.
^Flynn, Malcolm (13 March 2013). "PSA Planning Upmarket Peugeot Push, Citroen To Volume Sales". The Motor Report. Archived from the original on 15 March 2013. Retrieved 5 April 2013. Currently the Peugeot 207 and 208 share their PSA PF1 platform with the Citroen C3 and DS3, and the 308, 3008 and RCZ's PF2 platform with the C4, DS4, and DS5 models.
^Bal, Claire (23 May 2014). "Citroen C4 Cactus brings Madrid factory back to life". Automotive News Europe. Retrieved 11 April 2016. Despite being a compact car, the Citroen C4 Cactus is underpinned by the PSA group's PF1 subcompact platform. Citroen says the small platform helps to keep the model light and makes it more fuel efficient. It is the same platform that underpins many other group models, including the C3, DS3 and Peugeot 207, 208 and 2008.