Pröbstl-Haider, U., Brom, M., Dorsch, C., & Jiricka-Pürrer, A. (2019). Environmental Management in Ski Areas: Procedure-Requirements-Exemplary Solutions (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-319-75061-3
Παραπομπή σε μορφή Chicago (17η εκδ.)Pröbstl-Haider, Ulrike, Monika Brom, Claudia Dorsch, και Alexandra Jiricka-Pürrer. Environmental Management in Ski Areas: Procedure-Requirements-Exemplary Solutions. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-75061-3.
Παραπομπή σε μορφή MLA (8th εκδ.)Pröbstl-Haider, Ulrike, et al. Environmental Management in Ski Areas: Procedure-Requirements-Exemplary Solutions. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-319-75061-3.