Petersen, T. K., & Petersen, T. K. (2019). Inquiry-Based Enumerative Combinatorics: One, Two, Skip a Few... Ninety-Nine, One Hundred (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-18308-0
Παραπομπή σε μορφή Chicago (17η εκδ.)Petersen, T. Kyle, και T. Kyle Petersen. Inquiry-Based Enumerative Combinatorics: One, Two, Skip a Few... Ninety-Nine, One Hundred. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-18308-0.
Παραπομπή σε μορφή MLA (8th εκδ.)Petersen, T. Kyle, και T. Kyle Petersen. Inquiry-Based Enumerative Combinatorics: One, Two, Skip a Few... Ninety-Nine, One Hundred. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-18308-0.
