APA
Gawor-Biedowa E., . (1992). Campanian and Maastrichtian Foraminifera from the Lublin Upland, Eastern Poland. Warszawa: Wydawnictwo Naukowe PWN.
Chicago
Gawor-Biedowa Eugenia, . 1992. Campanian and Maastrichtian Foraminifera from the Lublin Upland, Eastern Poland. Warszawa: Wydawnictwo Naukowe PWN.
Harvard
Gawor-Biedowa E., . (1992). Campanian and Maastrichtian Foraminifera from the Lublin Upland, Eastern Poland. Warszawa: Wydawnictwo Naukowe PWN.
MLA
Gawor-Biedowa Eugenia, . Campanian and Maastrichtian Foraminifera from the Lublin Upland, Eastern Poland. Warszawa: Wydawnictwo Naukowe PWN. 1992.