Gaya APA
Verschool, I. HPh. Diederiks. (1989).
Commercial utilization of outer space .
Belanda:
Drukkerij haneka.
Gaya Chicago
Verschool, I. HPh. Diederiks.
Commercial utilization of outer space.
Belanda:
Drukkerij haneka,
1989.
Text.
Gaya MLA
Verschool, I. HPh. Diederiks.
Commercial utilization of outer space.
Belanda:
Drukkerij haneka,
1989.
Text.
Gaya Turabian
Verschool, I. HPh. Diederiks.
Commercial utilization of outer space.
Belanda:
Drukkerij haneka,
1989.
Print.