Deismireacht APA

Alvin, K. L. (1977). The observer's book of lichens. London: Fredeick Warne.

Trích dẫn kiểu Chicago

Alvin, Kenneth L. The Observer's Book of Lichens. London: Fredeick Warne, 1977.

Deismireacht MLA

Alvin, Kenneth L. The Observer's Book of Lichens. London: Fredeick Warne, 1977.

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