Gaya APA
Hohne, H., Barry, R.
(1982).
Codeword: Direktor
(
1)
.
United States of America:
Ballentine Books.
Gaya MLA
Hohne, Heinz., Barry, Richard.
"Codeword: Direktor".
1
United States of America:
Ballentine Books,
1982.
Text.