Waddington, C. H. (1968). Towards a theoretical biology: An IUBS symposium / ed. by C. H. Waddington. International Union of Biological Sciences. Edinburgh Univ. Press.
Lua i Stíl Chicago (17ú heag.)Waddington, Conrad H. Towards a Theoretical Biology: An IUBS Symposium / Ed. by C. H. Waddington. International Union of Biological Sciences. Edinburgh: Edinburgh Univ. Press, 1968.
Lua MLA (8ú heag.)Waddington, Conrad H. Towards a Theoretical Biology: An IUBS Symposium / Ed. by C. H. Waddington. International Union of Biological Sciences. Edinburgh Univ. Press, 1968.
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