Gaya APA
O'neill, R. et al
(1979).
Kernel Lessons Intermesiate; Student'Book
(
Ed.2)
.
Yogyakarta:
Kanisius.
Gaya MLA
O'neill, Robert. et al.
"Kernel Lessons Intermesiate; Student'Book".
Ed.2
Yogyakarta:
Kanisius,
1979.
Buku.