APA

Bridgman R., .1000 Inventions and Discoveries. DK Children, 2020: .

Chicago

Bridgman Roger, .1000 Inventions and Discoveries. DK Children, 2020: .

Harvard

Bridgman R., .1000 Inventions and Discoveries. DK Children, 2020: .

MLA

Bridgman Roger, .DK Children, 2020: . .