Frumkin, A. (1940). In friling fun yidishn sotsyalizm: Zikhroynes fun a zshurnalist. A Frumkin yubiley komitet.
Lua i Stíl Chicago (17ú heag.)Frumkin, Avraham. In Friling Fun Yidishn Sotsyalizm: Zikhroynes Fun a Zshurnalist. Nyu-York: A Frumkin yubiley komitet, 1940.
Lua MLA (8ú heag.)Frumkin, Avraham. In Friling Fun Yidishn Sotsyalizm: Zikhroynes Fun a Zshurnalist. A Frumkin yubiley komitet, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.