APA-čujuhus (7. p.)
Longyear, J. M., III. (1952). Copan Ceramics: A Study of Southeastern Maya Pottery. Carnegie Institution.
Chicago-čujuhus (17. p.)
Longyear, John M., III. Copan Ceramics: A Study of Southeastern Maya Pottery. Washington, EUA: Carnegie Institution, 1952.
MLA-čujuhus (9. p.)
Longyear, John M., III. Copan Ceramics: A Study of Southeastern Maya Pottery. Carnegie Institution, 1952.
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