Lua APA (7ú heag.)

Stiling, P. D. (1992). Introductory ecology. Englewood Cliffs.

Lua i Stíl Chicago (17ú heag.)

Stiling, Peter D. Introductory Ecology. London: Englewood Cliffs, 1992.

Lua MLA (9ú heag.)

Stiling, Peter D. Introductory Ecology. Englewood Cliffs, 1992.

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