APA Style
Townley, Helen M.. (1978).
System Analysis For Information Retrieval .
United State of America:
1978 Helen M. Townly.
Chicago Style
Townley, Helen M..
System Analysis For Information Retrieval.
United State of America:
1978 Helen M. Townly,
1978.
.
MLA Style
Townley, Helen M..
System Analysis For Information Retrieval.
United State of America:
1978 Helen M. Townly,
1978.
.
Turabian Style
Townley, Helen M..
System Analysis For Information Retrieval.
United State of America:
1978 Helen M. Townly,
1978.
.