Dyfyniad APA

Cook, E. F. (1966). Tufflavas and ignimbrites: A survey of Soviet studies. American Elsevier Pub. Co.

Dyfyniad Arddull Chicago

Cook, Earl Ferguson. Tufflavas and Ignimbrites: A Survey of Soviet Studies. New York: American Elsevier Pub. Co, 1966.

Dyfyniad MLA

Cook, Earl Ferguson. Tufflavas and Ignimbrites: A Survey of Soviet Studies. American Elsevier Pub. Co, 1966.

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