Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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