Gaya APA
LANGUAGE, I.
(1976).
THE LANGUAGE OF THE AIR FORCE IN ENGLISH
.
WASHINTON:
PT GRAMEDIA USTAKA UTAMA.
Gaya MLA
LANGUAGE, INNOVATIVE.
"THE LANGUAGE OF THE AIR FORCE IN ENGLISH".
WASHINTON:
PT GRAMEDIA USTAKA UTAMA,
1976.
Text.