APA (7e ed.) Bronvermelding

French, T. E. (1980). Mechanical drawing (9th ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

French, Thomas Ewing. Mechanical Drawing. 9th ed. New York: McGraw-Hill, 1980.

MLA (9e ed.) Bronvermelding

French, Thomas Ewing. Mechanical Drawing. 9th ed. McGraw-Hill, 1980.