Gaya APA

Traa-Engelman, Hanneke Louis van. (1989). Commercial utilization of outer space-legal aspects . Netherlands: Drukkerij Haveka B.V..

Gaya Chicago

Traa-Engelman, Hanneke Louis van. Commercial utilization of outer space-legal aspects. Netherlands: Drukkerij Haveka B.V., 1989. Text.

Gaya MLA

Traa-Engelman, Hanneke Louis van. Commercial utilization of outer space-legal aspects. Netherlands: Drukkerij Haveka B.V., 1989. Text.

Gaya Turabian

Traa-Engelman, Hanneke Louis van. Commercial utilization of outer space-legal aspects. Netherlands: Drukkerij Haveka B.V., 1989. Print.