Gaya APA

Bickford, A, C., Sutjahjo, A. (2006). Articulatory Phonetics : Tools for Analyzing the World`s Languages (4). -: Dallas: Sil International,.

Gaya MLA

Bickford, Anita, C.., Sutjahjo, Ari. "Articulatory Phonetics : Tools for Analyzing the World`s Languages". 4 -: Dallas: Sil International,, 2006. Pend. BHS.Inggris.