David McDowall.The Kurds: A Nation Denied. — Minority Rights Group, 1992. — P. 70. — «КДПИ (которая тем временем сместилась влево) заняла антиимпериалистическую позицию, заявив о своей оппозиции шахскому режиму...». — ISBN 9781873194300.
Entessar, Nader.Kurdish Politics in the Middle East. — Lanham : Lexington Books, 2010. — P. 48. — «Throughout much of the 1980s, the KDPI received aid from the Ba'thi regime of Saddam Hussein, but Ghassemlou broke with Baghdad in 1988 after Iraq used chemical weapons against Kurds in Halabja and then forced Kurdish villagers to...». — ISBN 9780739140390.
Michael M. Gunter.Historical Dictionary of the Kurds. — Scarecrow Press, 2010. — P. 133. — «During the late 1940s and the early 1950s, the Kurdistan Democratic Party of Iran (KDPI) cooperated closely with the Tudeh, or Iranian Communist Party.». — ISBN 9780810875074.