Woodward, R. B. (1977). American folk painting: Selections from the collection of mr. and mrs. william e. wiltshire iii. Virginia musuem.
Dyfyniad Arddull ChicagoWoodward, Richard B. American Folk Painting: Selections from the Collection of Mr. and Mrs. William E. Wiltshire Iii. Virginia: Virginia musuem, 1977.
Dyfyniad MLAWoodward, Richard B. American Folk Painting: Selections from the Collection of Mr. and Mrs. William E. Wiltshire Iii. Virginia musuem, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.