Tryo, R. M., & Tryon, A. F. (1982). Ferns and allied plants: With special reference to tropical America. Springer.
Chicago-čujuhus (17. p.)Tryo, Rolla M., juo Alice F. Tryon. Ferns and Allied Plants: With Special Reference to Tropical America. New York, USA: Springer, 1982.
MLA-čujuhus (9. p.)Tryo, Rolla M., juo Alice F. Tryon. Ferns and Allied Plants: With Special Reference to Tropical America. Springer, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.