Multhauf, R. P. Holcomb, Fitz, and Peate: Three 19th Century American Telescope Makers.
Dyfyniad Arddull ChicagoMulthauf, Robert P. Holcomb, Fitz, and Peate: Three 19th Century American Telescope Makers.
Dyfyniad MLAMulthauf, Robert P. Holcomb, Fitz, and Peate: Three 19th Century American Telescope Makers.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.