Dyfyniad APA

Grady, D. (1998). Gene linked to hair loss identified. Today.

Dyfyniad Arddull Chicago

Grady, Denise. "Gene Linked to Hair Loss Identified." Today 1998.

Dyfyniad MLA

Grady, Denise. "Gene Linked to Hair Loss Identified." Today, 1998.

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