Citazione Stile APA (7a Edizione)

Besterfield, D. H., & OHagan, R. E. (1998). Technical sketching with an introduction to CAD: For engineers, technologists, and technicians (3rd ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Besterfield, Dale H., e Robert E. OHagan. Technical Sketching with an Introduction to CAD: For Engineers, Technologists, and Technicians. 3rd ed. Upper Saddle River, N.J: Prentice Hall, 1998.

Citatione MLA (9a ed.)

Besterfield, Dale H., e Robert E. OHagan. Technical Sketching with an Introduction to CAD: For Engineers, Technologists, and Technicians. 3rd ed. Prentice Hall, 1998.