Crockett, J. U. (1972). Foliage house plants. Time-Life.
Chicago Style (17th ed.) ZitazioaCrockett, James Underwood. Foliage House Plants. Alexandria, Va.: Time-Life, 1972.
MLA (9th ed.) ZitazioaCrockett, James Underwood. Foliage House Plants. Time-Life, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.