Dyfyniad APA

Wilford, J. N. (1998). Scientists seeking for universe's missing energy. Today.

Dyfyniad Arddull Chicago

Wilford, John Noble. "Scientists Seeking for Universe's Missing Energy." Today 1998.

Dyfyniad MLA

Wilford, John Noble. "Scientists Seeking for Universe's Missing Energy." Today, 1998.

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