كتاب خطوة إلى الأمام خطوتان إلى الوراء بقلم فلاديمير لينين..Translated from the text given in the "Collected Works" of V.I. Lenin, Vol. 7, Fourth Russian Edition, prepared by the Institute of Marxism-Leninism of the C.C. C.P.S.U.
Corrections have been made in accordance with the Fifth Russian Edition of the "Collected Works."