Jasa Ungguh Muliawan. (2018). Focus On English Junior High School (cetakan I.). Yogyakarta: Gava Media.
Dyfyniad Arddull ChicagoJasa Ungguh Muliawan. Focus On English Junior High School. cetakan I. Yogyakarta: Gava Media, 2018.
Dyfyniad MLAJasa Ungguh Muliawan. Focus On English Junior High School. cetakan I. Yogyakarta: Gava Media, 2018.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.