DEBRA CRAINE and JUDITH MACKRELL. "Laban, Rudolf von." The Oxford Dictionary of Dance. 2000. Encyclopedia.com. 11 Nov. 2009 <http://www.encyclopedia.com>.
DEBRA CRAINE and JUDITH MACKRELL. "Laban, Rudolf von." The Oxford Dictionary of Dance. 2000. Encyclopedia.com. (November 11, 2009). http://www.encyclopedia.com/doc/1O74-LabanRudolfvon.html
DEBRA CRAINE and JUDITH MACKRELL. "Laban, Rudolf von." The Oxford Dictionary of Dance. 2000. Retrieved November 11, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O74-LabanRudolfvon.html