Jack Challoner. All About Science and Technology. PARRAGON PUBLISHING.
Citazione stile Chigago Style (17a edizione)Jack Challoner. All About Science and Technology. PARRAGON PUBLISHING.
Citatione MLA (9a ed.)Jack Challoner. All About Science and Technology. PARRAGON PUBLISHING.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.