Gaya APA
TOLLE, H, D. (1984).
Technical Drawing For Electrical Engineering 1 Basic Course (workbook) (1st ed).
Germany:
GTZ.
Gaya MLA
TOLLE, Horst, Dieter.
"Technical Drawing For Electrical Engineering 1 Basic Course (workbook)".
1st ed
Germany:
GTZ,
1984.
Printed.