Gaya APA
Koide, F. (1981).
Easy japanese 1 : a steady but speedy way of learning japanese (6th ed.).
Japan:
Let's Company, Limited.
Gaya MLA
Koide, Fumiko.
"Easy japanese 1 : a steady but speedy way of learning japanese".
6th ed.
Japan:
Let's Company, Limited,
1981.
BUKU.