Greenfield, P. (1971). Engineering applications of beryllium. Mills and Boon.
Citazione stile Chigago Style (17a edizione)Greenfield, Peter. Engineering Applications of Beryllium. London: Mills and Boon, 1971.
Citatione MLA (9a ed.)Greenfield, Peter. Engineering Applications of Beryllium. Mills and Boon, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.