O'Brien, J. F. (1952). Parliamentary law for the layman: Procedure and strategy for meetings ([1st ed.].). Harper.
Dyfyniad Arddull ChicagoO'Brien, Joseph F. Parliamentary Law for the Layman: Procedure and Strategy for Meetings. [1st ed.]. New York: Harper, 1952.
Dyfyniad MLAO'Brien, Joseph F. Parliamentary Law for the Layman: Procedure and Strategy for Meetings. [1st ed.]. Harper, 1952.
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