Jeong Hee-yeon (October 27, 2020). 돌아온 전역돌 비투비…네이버 NOW. 단독쇼 온에어 [공식] [BTOB is back to the world Naver NOW. Solo Show On Air [Official]]. Sports Donga. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Jeon Hyo-jin (October 28, 2020). ‘비투비 유닛’ 비투비 포유, 데뷔 초읽기…공식 로고 공개 ['BtoB Unit' BtoB 4U, countdown to debut... Official logo released]. Sports Donga. Archived from the original on 2020-11-16. Retrieved 2020-11-04.
Jeon Hyo-jin (October 30, 2020). 비투비 포유, 11월 16일 데뷔…아트워크 티저 공개 [BtoB 4U, debuted on November 16th... Artwork teaser released]. Sports Donga. Archived from the original on 2020-11-16. Retrieved 2020-11-04.
Lee Mi-jung (November 2, 2020). 비투비 형 라인 4인방 똘똘 뭉쳤다 [BTOB's Hyung Line 4 people united together]. Digital Times. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Hanayoung (November 16, 2020). [오늘노래] 유닛 출격 나서는 BTOB, 완전체로 돌아오는 AKMU [[Today's Song] BTOB coming out as a subunit, AKMU returning as a whole]. Sports Chosun. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Jeong Han-byul (November 11, 2020). '볼륨을 높여요' 이민혁 "비투비 포유, 친형이 지어준 유닛명" ['Raise the volume' Lee Min-hyuk "BTOB 4U, the unit name created by my brother"]. Hankook Ilbo. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Ko Seung-hee (November 1, 2020). 비투비 포유, 서은광·이민혁·이창섭·프니엘 뭉쳤다…16일 데뷔 확정 [BTOB 4U Seo Eun-kwang, Lee Min-hyuk, Lee Chang-seop, and Peniel unite Debut confirmed on the 16th]. HeraldPop. Archived from the original on 2020-11-16. Retrieved 2020-11-04.
pop.heraldcorp.com
Kim Ji-hye (November 24, 2020). [팝업★]비투비 포유, 첫방 동시 1위 "멜로디 덕분, 군복무 멤버들 마음만은 함께" [[Pop-up★] B2B 4u, first room at the same time "Thanks to the melody, the members of the military service are together"]. HeraldPop.
비투비포유, 오늘(3일) '스타로드' 첫방..현장 웃음바다 만든 '입담'[V라이브] [[VLive] BTOB 4U, the first room of'Star Road' today (3rd)...'a talk' made with a sea of laughter on the spot]. OSEN. December 3, 2020. Archived from the original on December 27, 2020. Retrieved December 3, 2020.
news1.kr
Ko Seungah (November 16, 2020). [N현장] "7인 완전체 기다리며"…비투비 포유, 군백기 채운 유닛 데뷔(종합) [[N-site] "Waiting for all 7 people"... B2B U, debuts a unit filled with military flags (comprehensive)]. News1. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Ko Seung-hee (November 1, 2020). 비투비 포유, 서은광·이민혁·이창섭·프니엘 뭉쳤다…16일 데뷔 확정 [BTOB 4U Seo Eun-kwang, Lee Min-hyuk, Lee Chang-seop, and Peniel unite Debut confirmed on the 16th]. HeraldPop. Archived from the original on 2020-11-16. Retrieved 2020-11-04.
Jeong Hee-yeon (October 27, 2020). 돌아온 전역돌 비투비…네이버 NOW. 단독쇼 온에어 [공식] [BTOB is back to the world Naver NOW. Solo Show On Air [Official]]. Sports Donga. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Lee Mi-jung (November 2, 2020). 비투비 형 라인 4인방 똘똘 뭉쳤다 [BTOB's Hyung Line 4 people united together]. Digital Times. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Hanayoung (November 16, 2020). [오늘노래] 유닛 출격 나서는 BTOB, 완전체로 돌아오는 AKMU [[Today's Song] BTOB coming out as a subunit, AKMU returning as a whole]. Sports Chosun. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Jeong Han-byul (November 11, 2020). '볼륨을 높여요' 이민혁 "비투비 포유, 친형이 지어준 유닛명" ['Raise the volume' Lee Min-hyuk "BTOB 4U, the unit name created by my brother"]. Hankook Ilbo. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
Jeon Hyo-jin (October 28, 2020). ‘비투비 유닛’ 비투비 포유, 데뷔 초읽기…공식 로고 공개 ['BtoB Unit' BtoB 4U, countdown to debut... Official logo released]. Sports Donga. Archived from the original on 2020-11-16. Retrieved 2020-11-04.
Jeon Hyo-jin (October 30, 2020). 비투비 포유, 11월 16일 데뷔…아트워크 티저 공개 [BtoB 4U, debuted on November 16th... Artwork teaser released]. Sports Donga. Archived from the original on 2020-11-16. Retrieved 2020-11-04.
Ko Seungah (November 16, 2020). [N현장] "7인 완전체 기다리며"…비투비 포유, 군백기 채운 유닛 데뷔(종합) [[N-site] "Waiting for all 7 people"... B2B U, debuts a unit filled with military flags (comprehensive)]. News1. Archived from the original on December 27, 2020. Retrieved November 19, 2020.
비투비포유, 오늘(3일) '스타로드' 첫방..현장 웃음바다 만든 '입담'[V라이브] [[VLive] BTOB 4U, the first room of'Star Road' today (3rd)...'a talk' made with a sea of laughter on the spot]. OSEN. December 3, 2020. Archived from the original on December 27, 2020. Retrieved December 3, 2020.