Han Hyun-jung (June 19, 2023). "하정우·주지훈, 화려하지만 불편한 만남(ft.비공식작전)" [Ha Jung-woo and Ju Ji-hoon, a splendid but uncomfortable meeting (ft. Unofficial Operation)]. Maeil Economy (dalam bahasa Korea). Diakses tanggal June 22, 2023.
Jin Joo-hee (June 22, 2023). "하정우X주지훈, 버디 케미...'비공식작전' 1차 예고편 공개" [Ha Jung-woo X Ju Ji-hoon, buddy chemistry...'Unofficial Operation' 1st trailer released]. MK Sports (dalam bahasa Korea). Diakses tanggal June 22, 2023.