Gaya APA

O\'NEILL, R. (1979). KERNEL LESSONS INTERMEDIATE STUDENT'S BOOK PART A (Cet. 3). Yogyakarta: KANISIUS.

Gaya MLA

O\'NEILL, ROBERT. "KERNEL LESSONS INTERMEDIATE STUDENT'S BOOK PART A". Cet. 3 Yogyakarta: KANISIUS, 1979. Text.