APA-viite (7. p.)
Roukens, A. H. E. (2010). Travel medicine: Knowledge, attitude, practice and immunisation. IOS Press.
Chicago-viite (17. p.)
Roukens, Anna Helena Elvire. Travel Medicine: Knowledge, Attitude, Practice and Immunisation. Amsterdam: IOS Press, 2010.
MLA-viite (9. p.)
Roukens, Anna Helena Elvire. Travel Medicine: Knowledge, Attitude, Practice and Immunisation. IOS Press, 2010.
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