Gaya APA

siswana, M., ma.,ph.d, D, C, D, M, H, S. (2015). Developing Theinitial Flight Attendant Students Speaking Skills Using Problem-Based Learning Technique . Jakarta: sekolah pascasarjana uhamka.

Gaya MLA

siswana, M.pd., ma.,ph.d, Dr.santi, Chairani, Djonhar,, M.a,, H.ujang, Suparman,. "Developing Theinitial Flight Attendant Students Speaking Skills Using Problem-Based Learning Technique". Jakarta: sekolah pascasarjana uhamka, 2015. Text.