Michael Puttré, Ted McKenna: From the Ground Up. eDefenseonline.com & Horizon House Publications, 2005-11-21. [dostęp 2014-07-23]. [zarchiwizowane z tego adresu (2012-12-30)].
Michael Puttré, Ted McKenna: From the Ground Up. eDefenseonline.com & Horizon House Publications, 2005-11-21. [dostęp 2014-07-23]. [zarchiwizowane z tego adresu (2012-12-30)].