Dyfyniad APA

(1985). The future of space flight: The ninth Dr. Albert Plesman Memorial Lecture / Jesse W. Moore.

Dyfyniad Arddull Chicago

The Future of Space Flight: The Ninth Dr. Albert Plesman Memorial Lecture / Jesse W. Moore. 1985.

Dyfyniad MLA

The Future of Space Flight: The Ninth Dr. Albert Plesman Memorial Lecture / Jesse W. Moore. 1985.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.