Gaya APA
KIEF, H, B, .
(1982).
NC Handbuch
(
1st)
.
n.l:
Becker Drauck & Jerlag.
Gaya MLA
KIEF, Hans, B, .
"NC Handbuch".
1st
n.l:
Becker Drauck & Jerlag,
1982.
Printed.