Smith, G. M. (1955). Cryptogamic Botany: Bryophytes And Pteridophytes/gilbert M. Smith. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Smith, Gilbert M. Cryptogamic Botany: Bryophytes And Pteridophytes/gilbert M. Smith. McGraw-Hill, 1955.
Lua MLA (8ú heag.)Smith, Gilbert M. Cryptogamic Botany: Bryophytes And Pteridophytes/gilbert M. Smith. McGraw-Hill, 1955.
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