Gaya APA

Regulation, C, A, S. (1998). Cetak CASR (Civil Aviation Safety Regulation) − Part 139 Aerodrome . : Ministry of Trasportation.

Gaya MLA

Regulation, Civil, Aviation, Safety. "Cetak CASR (Civil Aviation Safety Regulation) − Part 139 Aerodrome". : Ministry of Trasportation, 1998. Text.