Mackenzie, A., Ball, A. S., & Virdee, S. R. (1998). Instant methods in ecology. Springer.
Lua i Stíl Chicago (17ú heag.)Mackenzie, A., A. S. Ball, agus S. R. Virdee. Instant Methods in Ecology. Singapore: Springer, 1998.
Lua MLA (9ú heag.)Mackenzie, A., et al. Instant Methods in Ecology. Springer, 1998.
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