Frye, W. (1947). Marshall: Citizen, soldier / by William Frye. Bobbs-Merrill.
Lua i Stíl Chicago (17ú heag.)Frye, William. Marshall: Citizen, Soldier / by William Frye. Indianapolis [u.a.]: Bobbs-Merrill, 1947.
Lua MLA (8ú heag.)Frye, William. Marshall: Citizen, Soldier / by William Frye. Bobbs-Merrill, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.