Harkness, E. B. (1920). Report on the system of proportional representation: Used in accordance with the Parliamentary Elections (amendment) Act, 1918. Govt. Printer.
Citazione stile Chigago Style (17a edizione)Harkness, E. B. Report on the System of Proportional Representation: Used in Accordance with the Parliamentary Elections (amendment) Act, 1918. Sydney: Govt. Printer, 1920.
Citatione MLA (8a ed.)Harkness, E. B. Report on the System of Proportional Representation: Used in Accordance with the Parliamentary Elections (amendment) Act, 1918. Govt. Printer, 1920.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.