Cita APA

SPENCER, H. C. c. (1980). Technical Drawing Problems. McMillan Publishing Co. Inc.

Chicago Style (17th ed.) Citation

SPENCER, Henry Cecil cs. Technical Drawing Problems. McMillan Publishing Co. Inc, 1980.

Cita MLA

SPENCER, Henry Cecil cs. Technical Drawing Problems. McMillan Publishing Co. Inc, 1980.

Atenció: Aquestes cites poden no estar 100% correctes.