Pliński, M., & Witkowski, A. (2013). Okrzemki - Bacillariophyta (Diatoms): (with the English key for the identification to the genus). Wydawnictwo Uniwersytetu Gdańskiego.
Citazione stile Chigago Style (17a edizione)Pliński, Marcin, e Andrzej Witkowski. Okrzemki - Bacillariophyta (Diatoms): (with the English Key for the Identification to the Genus). Gdańsk: Wydawnictwo Uniwersytetu Gdańskiego, 2013.
Citatione MLA (9a ed.)Pliński, Marcin, e Andrzej Witkowski. Okrzemki - Bacillariophyta (Diatoms): (with the English Key for the Identification to the Genus). Wydawnictwo Uniwersytetu Gdańskiego, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.