Caulfield, H. J. Tribute to Joseph W. Goodman. SPIE Digital Library.
Cita Chicago (17th ed.)Caulfield, H. John. Tribute to Joseph W. Goodman. SPIE Digital Library.
Cita MLA (8th ed.)Caulfield, H. John. Tribute to Joseph W. Goodman. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.