Gaya APA
Practical english usage 2 : englishas a second language /. (1973).
[sn]:
Times ed.comp. (pte) ltd.
Gaya Chicago
Practical english usage 2 : englishas a second language /.
Cet.1.
[sn]:
Times ed.comp. (pte) ltd,
1973.
Textbook.
Gaya MLA
Practical english usage 2 : englishas a second language /.
Cet.1.
[sn]:
Times ed.comp. (pte) ltd,
1973.
Textbook.
Gaya Turabian
Practical english usage 2 : englishas a second language /.
[sn]:
Times ed.comp. (pte) ltd,
1973.
Textbook.