https://www.destentor.nl/pec-zwolle/hoe-lost-cruijff-adept-van-t-schip-de-defensieve-puzzel-van-pec-zwolle-op~abd3ffcd/
http://www.peczwolle.nl/nl/nieuwsarchief/knappe-comeback-pec-zwolle-in-tilburg2017-12-16
https://twitter.com/ADODenHaag/status/942113912488685568
https://twitter.com/PSV/status/942128064351358977

Кризис в защитной линии PEC Zwolle