APA-viite (7. p.)
Malusa, J. Into Thick Air: Biking to the Bellybutton of Six Continents. Sierra Club Books.
Chicago-viite (17. p.)
Malusa, Jim. Into Thick Air: Biking to the Bellybutton of Six Continents. San Francisco, EUA: Sierra Club Books.
MLA-viite (9. p.)
Malusa, Jim. Into Thick Air: Biking to the Bellybutton of Six Continents. Sierra Club Books.
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