Dyfyniad APA

CROCKETT, J. U. (1979). Lawns And Ground Covers James Underwood Crockett. Time-Life Books.

Dyfyniad Arddull Chicago

CROCKETT, James Underwood. Lawns And Ground Covers James Underwood Crockett. Time-Life Books, 1979.

Dyfyniad MLA

CROCKETT, James Underwood. Lawns And Ground Covers James Underwood Crockett. Time-Life Books, 1979.

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