Wibowo, Danang Harry and Rahayu, Ratih and Wibowo, Erwin and Isnaeni, Mukhammad and Luthfiah, Devi and Ardian, Dina and MR, Yuliadi and Kartono, Bambang and Anggraini, Dian (2008) Laras Bahasa : fobia Bahasa indonesia. Kantor Bahasa Provinsi Lampung, Bandar Lampung. ISBN 978-979~5-7~9

Nasution, Hasnawati and Rahayu, Ratih and Wibowo, Erwin and Harum, Meutia Diah and Moses, Ferdinandus (2008) Persebaran bahasa-bahasa di Provinsi Lampung. Kantor Bahasa Provinsi Lampung, Lampung. ISBN 9789796857654