อ้างอิง ของ ช้างแมรี

  1. ↑ "Murderous Mary". สืบค้นเมื่อ 2015-05-25.
  2. ↑ Olson, Ted (2009). The Hanging of Mary, a Circus Elephant. Knoxville, Tennessee: University of Tennessee Press. pp. 219–227.
  3. 1 2 3 4 5 Joan V. Schroeder (February 13, 2009). "The Day They Hanged Mary The Elephant in Tennessee - BlueRidgeCountry.com". BlueRidgeCountry.com.
  4. ↑ Hodge, Randy; Price, Charles Edwin (1992). The Day they Hung the Elephant. Johnson City, Tennessee: Overmountain Press.
  5. ↑ Brummette, John (2012). "Trains, Chains, Blame, and Elephant Appeal: A Case Study of the Public Relations Significance of Mary the Elephant". Public Relations Review 38: 341–346.
  6. ↑ "Big Mary". SnapJudgement. สืบค้นเมื่อ 2013-08-21.