Gaya APA
Hollger, Siegbert. (1980).
Technical mathematics for the metal trade .
Germany:
GTZ.
Gaya Chicago
Hollger, Siegbert.
Technical mathematics for the metal trade.
Germany:
GTZ,
1980.
Text.
Gaya MLA
Hollger, Siegbert.
Technical mathematics for the metal trade.
Germany:
GTZ,
1980.
Text.
Gaya Turabian
Hollger, Siegbert.
Technical mathematics for the metal trade.
Germany:
GTZ,
1980.
Print.