Gaya APA
Ellis, David. (1990).
New horizons in information retrieval .
London:
The Library Association.
Gaya Chicago
Ellis, David.
New horizons in information retrieval.
London:
The Library Association,
1990.
Text.
Gaya MLA
Ellis, David.
New horizons in information retrieval.
London:
The Library Association,
1990.
Text.
Gaya Turabian
Ellis, David.
New horizons in information retrieval.
London:
The Library Association,
1990.
Print.