Cita APA (7a ed.)

Krebs, J. (2007). Basics CAD. Birkhäuser.

Cita Chicago Style (17a ed.)

Krebs, Jan. Basics CAD. Basel [etc.]: Birkhäuser, 2007.

Cita MLA (9a ed.)

Krebs, Jan. Basics CAD. Birkhäuser, 2007.