R.L. Polk & Co. Oregon and Washington state gazetteer and business directory ..: Comp. & pub. biennially. R.L. Polk & Co.
Cita Chicago Style (17a ed.)R.L. Polk & Co. Oregon and Washington State Gazetteer and Business Directory ..: Comp. & Pub. Biennially. Seattle, Wash.: R.L. Polk & Co.
Cita MLA (8a ed.)R.L. Polk & Co. Oregon and Washington State Gazetteer and Business Directory ..: Comp. & Pub. Biennially. R.L. Polk & Co.
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