Dyfyniad APA

Highland, H. J. (1963). Encyclopedia of space science. New York: Theodore Audel and Company.

Dyfyniad Arddull Chicago

Highland, Harold Joseph. Encyclopedia of Space Science. New York: Theodore Audel and Company, 1963.

Dyfyniad MLA

Highland, Harold Joseph. Encyclopedia of Space Science. New York: Theodore Audel and Company, 1963.

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