Gaya APA
Knowledge & Information Retrieval. (2016).
Jakata:
[s.n.].
Gaya Chicago
Knowledge & Information Retrieval.
.
Jakata:
[s.n.],
2016.
Text.
Gaya MLA
Knowledge & Information Retrieval.
.
Jakata:
[s.n.],
2016.
Text.
Gaya Turabian
Knowledge & Information Retrieval.
Jakata:
[s.n.],
2016.
Print.