CROCKETT, J. U. Foliage house plants: The time-life encyclopedia of gardening. Time-life books Alexandria.
Chicago-viite (17. p.)CROCKETT, James Underwood. Foliage House Plants: The Time-life Encyclopedia of Gardening. Time-life books Alexandria.
MLA-viite (8. p.)CROCKETT, James Underwood. Foliage House Plants: The Time-life Encyclopedia of Gardening. Time-life books Alexandria.
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