^Park Pan-seok (December 29, 2020). "'오케이광자매' 홍은희X전혜빈X고원희X김경남, 대세 캐스팅 확정..환상의 라인업[공식]" ['Okay Gwang Sisters' Hong Eun-hee X Jeon Hye-bin X Go Won-hee X Kim Gyeong-nam, the main cast confirmed.. Fantastic lineup [Official]]. Chosun (in Korean). Retrieved February 21, 2021.
^Kang Hyo-jin (October 28, 2021). "[단독]홍은희, '오늘부터 우리는' 출연…임수향과 모녀 호흡" [[Exclusive] Eunhee Hong to appear in 'From Today We Are'... Im Soo-hyang and mother-daughter breathing] (in Korean). Sports TV News. Retrieved October 28, 2021 – via Naver.
^Hwang So-young (September 10, 2021). "[단독] 홍은희·오윤아, KBS 웹예능 '찐친골프' MC로 호흡" [[Exclusive] Eun-hee Hong and Yoon-ah Oh, breathing as MCs for KBS web entertainment 'Chinchin Golf']. JTBC (in Korean). Retrieved September 10, 2021 – via Naver.