Garber, Stephanie
Once upon a broken heart
Mizan Fantasi, 2022
 Buku Teks SO
Kroeger, James H.
Kisah-kisah harmoni dan damai = Once upon a time in Asia: stories of harmony and peace
Kanisius, 2008
 Buku Teks SO
Misra, Neelesh
Once upon a timezone-- /​ Neelesh Misra.
Harper Collins Publishers India, 2006
 Buku Teks SO
In, Ku Kim-Marshall
Once upon a time in Korea / In Ku Kim-Marshall
Hankookmunhwasa, 2005
 Buku Teks
Stevick, Earl W.
Images and options in the language classroom
Cambridge Cambridge University Press 1991,
 Buku Teks SO