Cita APA (7a ed.)

Gretchikhin, L. I. (2021). Positive and negative role of negative ions in cosmic exploration. University of Defence in Belgrade.

Cita Chicago Style (17a ed.)

Gretchikhin, Leonid I. Positive and Negative Role of Negative Ions in Cosmic Exploration. University of Defence in Belgrade, 2021.

Cita MLA (8a ed.)

Gretchikhin, Leonid I. Positive and Negative Role of Negative Ions in Cosmic Exploration. University of Defence in Belgrade, 2021.