Dyfyniad APA

(1973). Guide to the measurement of marine primary production under some special conditions. UNESCO.

Dyfyniad Arddull Chicago

Guide to the Measurement of Marine Primary Production Under Some Special Conditions. Paris: UNESCO, 1973.

Dyfyniad MLA

Guide to the Measurement of Marine Primary Production Under Some Special Conditions. UNESCO, 1973.

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