Dyfyniad APA

Ferris, T. (1983). The red limit: The search for the edge of the universe. New York: Quill.

Dyfyniad Arddull Chicago

Ferris, Timothy. The Red Limit: The Search for the Edge of the Universe. New York: Quill, 1983.

Dyfyniad MLA

Ferris, Timothy. The Red Limit: The Search for the Edge of the Universe. New York: Quill, 1983.

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