APA

Johnson F. P., . (1999). 3D Autocad For Architects And Engineers. EE.UU: McGraw-Hill.

Chicago

Johnson Frank P, . 1999. 3D Autocad For Architects And Engineers. EE.UU: McGraw-Hill.

Harvard

Johnson F. P., . (1999). 3D Autocad For Architects And Engineers. EE.UU: McGraw-Hill.

MLA

Johnson Frank P, . 3D Autocad For Architects And Engineers. EE.UU: McGraw-Hill. 1999.