Feder, J. L., Roethele, J. B., Wlazlo, B., & Berlocher, S. H. (1997). Selective maintenance of allozyme differences among sympatric host races of the apple maggot fly. The National Academy of Sciences of the USA.
Chicago-tyylinen lähdeviittausFeder, Jeffrey L., Joseph B. Roethele, Brian Wlazlo, ja Stewart H. Berlocher. Selective Maintenance of Allozyme Differences Among Sympatric Host Races of the Apple Maggot fly. The National Academy of Sciences of the USA, 1997.
MLA-viiteFeder, Jeffrey L., Joseph B. Roethele, Brian Wlazlo, ja Stewart H. Berlocher. Selective Maintenance of Allozyme Differences Among Sympatric Host Races of the Apple Maggot fly. The National Academy of Sciences of the USA, 1997.
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