Dyfyniad APA

Hoffenberg. A Science of Our Own. University of Pittsburgh Press.

Dyfyniad Arddull Chicago

Hoffenberg. A Science of Our Own. University of Pittsburgh Press.

Dyfyniad MLA

Hoffenberg. A Science of Our Own. University of Pittsburgh Press.

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