Hugh-Jones, E. M. (1969). Economics and technical change: Papers presented to Section F (Economics) and jointly to Sections F and G (Engineering) at the 1968 annual meeting of the British Association for the Advancement of Science. Blackwell.
Cita Chicago (17th ed.)Hugh-Jones, Edward Maurice. Economics and Technical Change: Papers Presented to Section F (Economics) and Jointly to Sections F and G (Engineering) at the 1968 Annual Meeting of the British Association for the Advancement of Science. Oxford: Blackwell, 1969.
Cita MLA (9th ed.)Hugh-Jones, Edward Maurice. Economics and Technical Change: Papers Presented to Section F (Economics) and Jointly to Sections F and G (Engineering) at the 1968 Annual Meeting of the British Association for the Advancement of Science. Blackwell, 1969.