Gaya APA

Prokopowicz, P. et al (2017). Theory and applications of ordered fuzzy numbers :a tribute to Professor Witold Kosiński . Cham, Switzerland: Springer Open.

Gaya MLA

Prokopowicz, Piotr. et al. "Theory and applications of ordered fuzzy numbers :a tribute to Professor Witold Kosiński". Cham, Switzerland: Springer Open, 2017. Ebook.