Gaya APA
Education, K, I, O.
(2001).
Kumon english level D1 : CD 1 ang CD 2 CD text
.
Malaysia:
Kumon.
Gaya MLA
Education, Kumon, Institute, Of.
"Kumon english level D1 : CD 1 ang CD 2 CD text".
Malaysia:
Kumon,
2001.
BUKU TEKS.