Dyfyniad APA

Barnes-Svarney, P. L. (2000). Through the telescope: A guide for the amateur astronomer. New York: McGraw Hill.

Dyfyniad Arddull Chicago

Barnes-Svarney, Patricia L. Through the Telescope: A Guide for the Amateur Astronomer. New York: McGraw Hill, 2000.

Dyfyniad MLA

Barnes-Svarney, Patricia L. Through the Telescope: A Guide for the Amateur Astronomer. New York: McGraw Hill, 2000.

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