APA-čujuhus (7. p.)
Pettit, M. (1988). Cardinal points: Poems. University of Iowa Press.
Chicago-čujuhus (17. p.)
Pettit, Michael. Cardinal Points: Poems. Iowa City: University of Iowa Press, 1988.
MLA-čujuhus (9. p.)
Pettit, Michael. Cardinal Points: Poems. University of Iowa Press, 1988.
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