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hollywoodreporter.com
KIT, Borys. Dianne Wiest, Michael Pena Join Clint Eastwood's 'The Mule' (Exclusive). www.hollywoodreporter.com [online]. The Hollywood Reporter, 2018-06-04 [cit. 2018-06-07]. Dostupné online. (anglicky)
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BUTLER, Karen. Clint Eastwood starts filming 'The Mule' with Bradley Cooper. www.upi.com [online]. UPI, 2018-06-04 [cit. 2018-06-07]. Dostupné online. (anglicky)
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KROLL, Justin. Bradley Cooper to Star With Clint Eastwood in ‘The Mule’ (EXCLUSIVE). variety.com [online]. Variety, 2018-05-18 [cit. 2018-06-07]. Dostupné online. (anglicky)
