Dyfyniad APA

MacEwen, H. Highly Innovative Space Telescope Concepts. SPIE Digital Library.

Dyfyniad Arddull Chicago

MacEwen, Howard. Highly Innovative Space Telescope Concepts. SPIE Digital Library.

Dyfyniad MLA

MacEwen, Howard. Highly Innovative Space Telescope Concepts. SPIE Digital Library.

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