Dyfyniad APA

CROCKETT, J. U. (1975). Evergreens James Underwood Crockett. Time-Life Books.

Dyfyniad Arddull Chicago

CROCKETT, James Underwood. Evergreens James Underwood Crockett. Time-Life Books, 1975.

Dyfyniad MLA

CROCKETT, James Underwood. Evergreens James Underwood Crockett. Time-Life Books, 1975.

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