Dyfyniad APA

CROCKETT, J. U. (1977). Flowering Shrubs James Underwood Crockett. Time Life Books.

Dyfyniad Arddull Chicago

CROCKETT, James Underwood. Flowering Shrubs James Underwood Crockett. Time Life Books, 1977.

Dyfyniad MLA

CROCKETT, James Underwood. Flowering Shrubs James Underwood Crockett. Time Life Books, 1977.

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