Gaya APA
Suwidji, B., Sutrisno, . (2008).
Aircraft material, Hardware & Tools kelas X .
Yogyakarta:
SMK Penerbangan AAG.
Gaya MLA
Suwidji, Bambang., Sutrisno, .
"Aircraft material, Hardware & Tools kelas X".
Yogyakarta:
SMK Penerbangan AAG,
2008.
Teks (Monograf).