Dyfyniad APA

Elsevier Science Publishers. Marine Micropaleontology. Elsevier Science Publishers.

Dyfyniad Arddull Chicago

Elsevier Science Publishers. Marine Micropaleontology. NewYork: Elsevier Science Publishers.

Dyfyniad MLA

Elsevier Science Publishers. Marine Micropaleontology. Elsevier Science Publishers.

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