MacEwen, H. Highly Innovative Space Telescope Concepts. SPIE Digital Library.
Cita Chicago (17th ed.)MacEwen, Howard. Highly Innovative Space Telescope Concepts. SPIE Digital Library.
Cita MLA (8th ed.)MacEwen, Howard. Highly Innovative Space Telescope Concepts. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.