APA aipamena

Harvey, W. S., & Downs-Rose, G. (1980). William Symington: Inventor and engine builder. Northgate Pub. Co..

Chicago Style aipamena

Harvey, W. S., and G. Downs-Rose. William Symington: Inventor and Engine Builder. London: Northgate Pub. Co., 1980.

MLA aipamena

Harvey, W. S., and G. Downs-Rose. William Symington: Inventor and Engine Builder. Northgate Pub. Co., 1980.