APA-viite (7. p.)
Prop, N. (1959). Protection against birds and parasites in some species of tenthredinid larvae.
Chicago-viite (17. p.)
Prop, Nicolaas. Protection Against Birds and Parasites in Some Species of Tenthredinid Larvae. Groningen, 1959.
MLA-viite (9. p.)
Prop, Nicolaas. Protection Against Birds and Parasites in Some Species of Tenthredinid Larvae. 1959.
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