APA引文

R.L. Polk & Co. Oregon and Washington state gazetteer and business directory ..: Comp. & pub. biennially. R.L. Polk & Co.

Chicago Style (17th ed.) Citation

R.L. Polk & Co. Oregon and Washington State Gazetteer and Business Directory ..: Comp. & Pub. Biennially. Seattle, Wash.: R.L. Polk & Co.

MLA引文

R.L. Polk & Co. Oregon and Washington State Gazetteer and Business Directory ..: Comp. & Pub. Biennially. R.L. Polk & Co.

警告：這些引文格式不一定是100％准確.