Dyfyniad APA

CESS. (1984). Centre For Earth Science Studies 1984. Centre for Earth Science Studies.

Dyfyniad Arddull Chicago

CESS. Centre For Earth Science Studies 1984. Trivandrum: Centre for Earth Science Studies, 1984.

Dyfyniad MLA

CESS. Centre For Earth Science Studies 1984. Centre for Earth Science Studies, 1984.

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