Dyfyniad APA

Bridget Travers. (1994). World of scientific discovery. Gale Research.

Dyfyniad Arddull Chicago

Bridget Travers. World of Scientific Discovery. Detroit: Gale Research, 1994.

Dyfyniad MLA

Bridget Travers. World of Scientific Discovery. Gale Research, 1994.

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