Crockett, J. U. (1972). Foliage house plants. Time-Life.
Cita Chicago (17th ed.)Crockett, James Underwood. Foliage House Plants. Alexandria, Va.: Time-Life, 1972.
Cita MLA (9th ed.)Crockett, James Underwood. Foliage House Plants. Time-Life, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.