Bartels, S. (2025) Numerical Mathematics 3 x9 : Three subject areas in 27 short chapters [cd]. 1 st ed. 2025, La Matematica per il 3+2. 1 st ed. 2025. Berlin, Heidelberg: Springer Berlin Heidelberg. doi:10.1007/978-3-662-70890-3.
Chicago Manual of Style 17th edition (full note)Bartels, Sören. Numerical Mathematics 3 x9 : Three subject areas in 27 short chapters. Cd. La Matematica per il 3+2. 1 st ed. 2025. Berlin, Heidelberg: Springer Berlin Heidelberg, [2025?], Berlin, Heidelberg: Springer Berlin Heidelberg, [2025?]. https://doi.org/10.1007/978-3-662-70890-3.
American Psychological Association 7th editionBartels, S. (ca. 2025). Numerical Mathematics 3 x9 : Three subject areas in 27 short chapters [Cd]. In La Matematica per il 3+2 (1 st ed. 2025). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-662-70890-3
Modern Language Association 9th editionBartels, S. „Numerical Mathematics 3 x9 : Three subject areas in 27 short chapters“. La Matematica per il 3+2, 1 st ed. 2025, cd, Springer Berlin Heidelberg, 2025, https://doi.org/10.1007/978-3-662-70890-3.
ISO-690 (author-date, Deutsch)BARTELS, Sören, 2025. Numerical Mathematics 3 x9 : Three subject areas in 27 short chapters. 1 st ed. 2025. Berlin, Heidelberg: Springer Berlin Heidelberg. ISBN 9783662708903