Gaya APA
Kheng, C, S.
(1992).
Preston Primary Vocabulary Practice 1 : Chan Soon Kheng
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Kheng, Chan, Soon.
"Preston Primary Vocabulary Practice 1 : Chan Soon Kheng".
Jakarta:
Binarupa Aksara,
1992.
Buku.