APA-čujuhus (7. p.)
Jupp, E. W. (2002). Boat watching. Intellect.
Chicago-čujuhus (17. p.)
Jupp, Edmund W. Boat Watching. Bristol, UK ; Portland, OR: Intellect, 2002.
MLA-čujuhus (9. p.)
Jupp, Edmund W. Boat Watching. Intellect, 2002.
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