APA-viite (7. p.)
Olafson, P. (1934). An investigation of the cause of the stiff-lamb disease.
Chicago-viite (17. p.)
Olafson, Peter. An Investigation of the Cause of the Stiff-lamb Disease. 1934.
MLA-viite (9. p.)
Olafson, Peter. An Investigation of the Cause of the Stiff-lamb Disease. 1934.
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