APA (7e ed.) Bronvermelding

Williams, T. I. (1987). The history of invention. Facts on File.

Chicago (17e ed.) Bronvermelding

Williams, Trevor Illtyd. The History of Invention. New York, N Y: Facts on File, 1987.

MLA (9e ed.) Bronvermelding

Williams, Trevor Illtyd. The History of Invention. Facts on File, 1987.