. . "referendum in 1977" . . "1977 Australian Referendum" . "1977 Australian referendum (Referendums)" . . "Referendum amendment" . . "Second" . "1977 Australian referendum (Referendums)" . . "until 1977" . "Referendums amendment" . "Referendums" . . . "1977 Australian referendum (Referendums) \u00A7 Results" . . "1977 referendum" .