^Kit, Borys; Kit, Borys. Ryan Reynolds, John Krasinski Teaming for Fantasy Comedy ‘Imaginary Friends’ (Exclusive). The Hollywood Reporter. 2019-10-15 [2022-10-23](美国英语).
^Kroll, Justin; Kroll, Justin. Ryan Reynolds And His Maximum Effort Banner Sign First-Look Deal With Paramount Pictures. Deadline. 2021-05-03 [2022-10-23](美国英语).
^Kroll, Justin; Kroll, Justin. John Krasinski And His Sunday Night Banner Signs First-Look Deal With Paramount Pictures. Deadline. 2021-05-11 [2022-10-23](美国英语).
^McClintock, Pamela; McClintock, Pamela. Phoebe Waller-Bridge, Fiona Shaw Join John Krasinski’s Next Movie (Exclusive). The Hollywood Reporter. 2021-10-28 [2022-10-23](美国英语).
^ 5.05.1Kroll, Justin; Kroll, Justin. Steve Carell, Alan Kim, Cailey Fleming & Louis Gossett Jr. Join Paramount And John Krasinski’s ‘IF’ Starring Ryan Reynolds. Deadline. 2022-01-25 [2022-10-23](美国英语).
^Kroll, Justin; Kroll, Justin. Bobby Moynihan Joins Ryan Reynolds In ‘IF’ From John Krasinski and Paramount. Deadline. 2022-08-29 [2022-10-23](美国英语).
^Murphy, J. Kim; Murphy, J. Kim. Paramount Sets ‘A Quiet Place: Day One’ and John Krasinski-Directed Ryan Reynolds Film ‘IF’ for 2024. Variety. 2022-07-20 [2022-10-23](美国英语).