APA-referens (7:e uppl.)

HAWK, M. C. (1962). Theory and problems of descriptive geometry. McGraw-Hill.

Chicago-referens (17:e uppl.)

HAWK, Minor Clyde. Theory and Problems of Descriptive Geometry. New York: McGraw-Hill, 1962.

MLA-referens (9:e uppl.)

HAWK, Minor Clyde. Theory and Problems of Descriptive Geometry. McGraw-Hill, 1962.