Lutrzykowski, Paweł. "Cookery Book". OER Commons. Institute for the Study of Knowledge Management in Education, 07 Jun. 2018. Web. 24 Nov. 2024. <https://oercommons.org/authoring/29264-cookery-book>.
Lutrzykowski, P. (2018, June 07). Cookery Book. OER Commons. Retrieved November 24, 2024, from https://oercommons.org/authoring/29264-cookery-book.