APA Style
Nwabueze, B. O., Houghton, Bernard. ().
On-line information retrieval systems an introductory manual to principles and practice .
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Chicago Style
Nwabueze, B. O., Houghton, Bernard.
On-line information retrieval systems an introductory manual to principles and practice.
:
,
.
.
MLA Style
Nwabueze, B. O., Houghton, Bernard.
On-line information retrieval systems an introductory manual to principles and practice.
:
,
.
.
Turabian Style
Nwabueze, B. O., Houghton, Bernard.
On-line information retrieval systems an introductory manual to principles and practice.
:
,
.
.