Dyfyniad APA

Parker, J. (1949). EFFECTS OF VARIATIONS IN THE ROOT-LEAF RATIO ON TRANSPIRATION RATE.

Dyfyniad Arddull Chicago

Parker, Johnson. EFFECTS OF VARIATIONS IN THE ROOT-LEAF RATIO ON TRANSPIRATION RATE. 1949.

Dyfyniad MLA

Parker, Johnson. EFFECTS OF VARIATIONS IN THE ROOT-LEAF RATIO ON TRANSPIRATION RATE. 1949.

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