Gaya APA
Alexander, L, G. (1975).
DEVELOPING SKILL: AN INTEGRATED COURSE FOR INTERMEDIATE STUNDENTS .
Yogyakarta:
KANISIUS.
Gaya MLA
Alexander, L., G..
"DEVELOPING SKILL: AN INTEGRATED COURSE FOR INTERMEDIATE STUNDENTS".
Yogyakarta:
KANISIUS,
1975.
Textbook.