Webber, B., & Ramsey, G. R. (1987). Postmarked Washington: An encyclopedia of postal history covering eleven counties of eastern Washington based on the research of the late Guy Reed Ramsey and other sources. Ye Galleon Press.
Style de citation Chicago (17e éd.)Webber, Bert, et Guy Reed Ramsey. Postmarked Washington: An Encyclopedia of Postal History Covering Eleven Counties of Eastern Washington Based on the Research of the Late Guy Reed Ramsey and Other Sources. Fairfield, Wash.: Ye Galleon Press, 1987.
Style de citation MLA (8e éd.)Webber, Bert, et Guy Reed Ramsey. Postmarked Washington: An Encyclopedia of Postal History Covering Eleven Counties of Eastern Washington Based on the Research of the Late Guy Reed Ramsey and Other Sources. Ye Galleon Press, 1987.
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