Schmieder, F. (2011). On the beginnings and early discussions of the metaphor 'Survival of the Fittest': Falko Schmieder. Contributions to the history of concepts.
Chicago-viite (17. p.)Schmieder, Falko. "On the Beginnings and Early Discussions of the Metaphor 'Survival of the Fittest': Falko Schmieder." Contributions to the History of Concepts 2011.
MLA-viite (8. p.)Schmieder, Falko. "On the Beginnings and Early Discussions of the Metaphor 'Survival of the Fittest': Falko Schmieder." Contributions to the History of Concepts, 2011.
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