APA ציטוט

Giesecke, F. E. (1981). Technical drawing problems (6a. ed.). McMillan.

Chicago Style (17th ed.) Citation

Giesecke, Frederick Ernest. Technical Drawing Problems. 6a. ed. Nueva York: McMillan, 1981.

ציטוט MLA

Giesecke, Frederick Ernest. Technical Drawing Problems. 6a. ed. McMillan, 1981.