APA Style
CO.LTD, K, T.
(1986).
The 1980s: meeting a new challenge v
.
Korea:
Korea Textbook CO.LTD.
MLA Style
CO.LTD, Korea, Textbook.
"The 1980s: meeting a new challenge v".
Korea:
Korea Textbook CO.LTD,
1986.
Buku.