APA Style
Hymas, Ross.. ().
Public library systems in the United States .
:
.
Chicago Style
Hymas, Ross..
Public library systems in the United States.
:
,
.
.
MLA Style
Hymas, Ross..
Public library systems in the United States.
:
,
.
.
Turabian Style
Hymas, Ross..
Public library systems in the United States.
:
,
.
.