Ewing, S. R., Eaton, M. A., Poole, T. F., Davies, M., & Haysom, S. (2012). size of the Scottish population of Capercaillie Tetrao urogallus: Results of the fourth national survey. Bird study, 59(2), 126-138. https://doi.org/10.1080/00063657.2011.652937
Chicago-Zitierstil (17. Ausg.)Ewing, Steven R., Mark A. Eaton, Timothy F. Poole, Megan Davies, und Susan Haysom. "Size of the Scottish Population of Capercaillie Tetrao Urogallus: Results of the Fourth National Survey." Bird Study 59, no. 2 (2012): 126-138. https://doi.org/10.1080/00063657.2011.652937.
MLA-Zitierstil (9. Ausg.)Ewing, Steven R., et al. "Size of the Scottish Population of Capercaillie Tetrao Urogallus: Results of the Fourth National Survey." Bird Study, vol. 59, no. 2, 2012, pp. 126-138, https://doi.org/10.1080/00063657.2011.652937.