Merkoša sitáhtat
APA-čujuhus (7. p.)
Southwood, R., & Henderson, P. A. (2000). Ecological methods (3rd ed.). Blackwell Science.
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Chicago-čujuhus (17. p.)
Southwood, Richard, juo P. A. Henderson. Ecological Methods. 3rd ed. Oxford ; Malden, MA: Blackwell Science, 2000.
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MLA-čujuhus (9. p.)
Southwood, Richard, juo P. A. Henderson. Ecological Methods. 3rd ed. Blackwell Science, 2000.
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