Gregorczuk, A., Kuellmer, K., & Malcolm, D. (2013). Zangs u Grassa: Formacje strukturalne : Herbert Zangs i Günter Grass = Zangs at Grass's : structural formations : Herbet Zangs & Günter Grass. Gdańska Galeria Güntera Grassa.
Citazione stile Chigago Style (17a edizione)Gregorczuk, Agnieszka, Karl Kuellmer, e David Malcolm. Zangs U Grassa: Formacje Strukturalne : Herbert Zangs I Günter Grass = Zangs at Grass's : Structural Formations : Herbet Zangs & Günter Grass. Gdańsk: Gdańska Galeria Güntera Grassa, 2013.
Citatione MLA (9a ed.)Gregorczuk, Agnieszka, et al. Zangs U Grassa: Formacje Strukturalne : Herbert Zangs I Günter Grass = Zangs at Grass's : Structural Formations : Herbet Zangs & Günter Grass. Gdańska Galeria Güntera Grassa, 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.