O'Brien, J. F. (1952). Parliamentary law for the layman: Procedure and strategy for meetings ([1st ed.].). Harper.
Citazione stile Chigago Style (17a edizione)O'Brien, Joseph F. Parliamentary Law for the Layman: Procedure and Strategy for Meetings. [1st ed.]. New York: Harper, 1952.
Citatione MLA (9a ed.)O'Brien, Joseph F. Parliamentary Law for the Layman: Procedure and Strategy for Meetings. [1st ed.]. Harper, 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.