Gaya APA
Rumy., L, R, L. (1990).
New standart english readers for senior middle schools book 2.-- .
Shangjai:
Chung hwa book.
Gaya MLA
Rumy., LI, Rumy., LI.
"New standart english readers for senior middle schools book 2.--".
Shangjai:
Chung hwa book,
1990.
Buku.