Gaya APA
Reading Comprehension 4. (2012).
Singapore:
Alston.
Gaya Chicago
Reading Comprehension 4.
.
Singapore:
Alston,
2012.
Text.
Gaya MLA
Reading Comprehension 4.
.
Singapore:
Alston,
2012.
Text.
Gaya Turabian
Reading Comprehension 4.
Singapore:
Alston,
2012.
Print.