Flenner, H., Vogel, W., & O'Carroll, L. Joins and Intersections. Springer International Publishing.
Style de citation Chicago (17e éd.)Flenner, Hubert, Wolfgang Vogel, et Liam O'Carroll. Joins and Intersections. Cham: Springer International Publishing.
Style de citation MLA (8e éd.)Flenner, Hubert, et al. Joins and Intersections. Springer International Publishing.
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