Cita APA (7a ed.)

Barczak, A. (2021). COVID-19 Pandemic—Financial Consequences for Polish Airports—Selected Aspects. MDPI AG.

Cita Chicago Style (17a ed.)

Barczak, Agnieszka. COVID-19 Pandemic—Financial Consequences for Polish Airports—Selected Aspects. MDPI AG, 2021.

Cita MLA (8a ed.)

Barczak, Agnieszka. COVID-19 Pandemic—Financial Consequences for Polish Airports—Selected Aspects. MDPI AG, 2021.