Biegel, K. (2002). What about you? New York: McGraw Hill Higher Education.
Dyfyniad Arddull ChicagoBiegel, Kenneth. What About You? New York: McGraw Hill Higher Education, 2002.
Dyfyniad MLABiegel, Kenneth. What About You? New York: McGraw Hill Higher Education, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.