Propp, J. (2022). Trimer covers in the triangular grid: Twenty mostly open problems.
Citazione stile Chigago Style (17a edizione)Propp, James. Trimer Covers in the Triangular Grid: Twenty Mostly Open Problems. 2022.
Citatione MLA (9a ed.)Propp, James. Trimer Covers in the Triangular Grid: Twenty Mostly Open Problems. 2022.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.