Dyfyniad APA

Young, J., & Lewis, T. B. (1973). Washington's Mount Vernon. New York: Holt, Rinehart and Winston.

Dyfyniad Arddull Chicago

Young, Joanne, και Taylor Biggs Lewis. Washington's Mount Vernon. New York: Holt, Rinehart and Winston, 1973.

Dyfyniad MLA

Young, Joanne, και Taylor Biggs Lewis. Washington's Mount Vernon. New York: Holt, Rinehart and Winston, 1973.

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