1964 Maltese constitutional referendum

A constitutional referendum was held in Malta between 2 and 4 May 1964. The new constitution was approved by 54.5% of voters, and came into effect on 21 September 1964. It was effectively a referendum on independence, as the new constitution gave the country self-government.
The Progressive Constitutionalist Party led by Mabel Strickland boycotted the referendum.

Question

The question put to the electorate was "Do you approve of the constitution proposed by the Government of Malta, endorsed by the Legislative Assembly, and published in the Malta Gazette?