Johnson, H. (1973). The international book of trees: A guide and tribute to the trees of our forests and gardens. Simon and Schuster.
Citace podle Chicago (17th ed.)Johnson, Hugh. The International Book of Trees: A Guide and Tribute to the Trees of Our Forests and Gardens. [New York: Simon and Schuster, 1973.
Citace podle MLA (9th ed.)Johnson, Hugh. The International Book of Trees: A Guide and Tribute to the Trees of Our Forests and Gardens. Simon and Schuster, 1973.
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