University, U. c. S. L. (1969). Cadet Col. John Martel, a member of the Parks Guard, May 11, 1969.
Lua i Stíl Chicago (17ú heag.)University, Unknown creator; St. Louis. Cadet Col. John Martel, a Member of the Parks Guard, May 11, 1969. 1969.
Lua MLA (8ú heag.)University, Unknown creator; St. Louis. Cadet Col. John Martel, a Member of the Parks Guard, May 11, 1969. 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.