Davis, J. A. (1996). Encyclopaedia of scientific developments inventions and discoveries. Bhavana Books and Prints.
Citazione stile Chigago Style (17a edizione)Davis, J.R. Ainsworth. Encyclopaedia of Scientific Developments Inventions and Discoveries. New Delhi: Bhavana Books and Prints, 1996.
Citatione MLA (9a ed.)Davis, J.R. Ainsworth. Encyclopaedia of Scientific Developments Inventions and Discoveries. Bhavana Books and Prints, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.