A call to divine unity : letter of Imām Khomeinī, the great leader of the Islamic revolution and founder of the Islamic Republic of Iran to president Mikhail Gorbachev, leader of the Soviet Union - Khomeini, Ruhollah (The Institute for Compilation and Publication of Imām Khomeinī's Works (International Affairs Department), 2008)
Izv. stv. nasl.: Āvā-yi tawhīd.
Puno ime autora: Ruhollah Khomeini; pravo ime autora: Ruhollah Musawi.