Gaya APA
O\'neill, R.
(1979).
Kernel Lessons Intermediate. Students book part B
(
Pertama)
.
Yogyakarta:
Kanisius.
Gaya MLA
O\'neill, Robert.
"Kernel Lessons Intermediate. Students book part B".
Pertama
Yogyakarta:
Kanisius,
1979.
Text.