APA-čujuhus (7. p.)
Pope, N., Growald Brooks, N., & Hundertmark, K. Illustrated Guide to the National Postal Museum.
Chicago-čujuhus (17. p.)
Pope, Nancy, Nancy Growald Brooks, juo Kristin Hundertmark. Illustrated Guide to the National Postal Museum.
MLA-čujuhus (9. p.)
Pope, Nancy, et al. Illustrated Guide to the National Postal Museum.
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