Stupak, I. A., & Fedorova, L. A. (2012). Improvement of Professional Level of the Heavy Industrial Engineer and Technical workers at the 60s of the 20th Century.
Chicago-Zitierstil (17. Ausg.)Stupak, I. A., und L. A. Fedorova. Improvement of Professional Level of the Heavy Industrial Engineer and Technical Workers at the 60s of the 20th Century. 2012.
MLA-Zitierstil (8. Ausg.)Stupak, I. A., und L. A. Fedorova. Improvement of Professional Level of the Heavy Industrial Engineer and Technical Workers at the 60s of the 20th Century. 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.