Gaya APA
Inc., A, S, &, A. (2019).
Powerplant 2020 Test Guide (22 Edition).
Washington:
Aviation Supplies & academics,.
Gaya MLA
Inc., Aviation, Supplies, &, Academics,.
"Powerplant 2020 Test Guide".
22 Edition
Washington:
Aviation Supplies & academics,,
2019.
Teks.