SpringerLink (Online service), Hujala, T., Toppinen, A., & J. Butler, B. (2019). Services in Family Forestry (1st ed. 2019.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-28999-7
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Teppo Hujala, Anne Toppinen, και Brett J. Butler. Services in Family Forestry. 1st ed. 2019. Cham: Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-28999-7.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Services in Family Forestry. 1st ed. 2019. Springer International Publishing : Imprint: Springer, 2019. https://doi.org/10.1007/978-3-030-28999-7.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.