Gaya APA

Purnamasari, R. (2016). English Language Teaching Methods at Airframe and Powerplant Deraptment of SMK Penerbangan Angkasa Bogor . Bogor: FKIP Unpak.

Gaya MLA

Purnamasari, Ratih/031111073. "English Language Teaching Methods at Airframe and Powerplant Deraptment of SMK Penerbangan Angkasa Bogor". Bogor: FKIP Unpak, 2016. Skripsi English.