Seattle Audubon Society & Larrison, E. J. (1974). Washington wildflowers, including 1134 species of wildflowers most commonly found in the State of Washington and adjacent areas of Oregon, Idaho, and British Columbia. Seattle Audubon Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSeattle Audubon Society और Earl J. Larrison. Washington Wildflowers, Including 1134 Species of Wildflowers Most Commonly Found in the State of Washington and Adjacent Areas of Oregon, Idaho, and British Columbia. Seattle]: Seattle Audubon Society, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSeattle Audubon Society और Earl J. Larrison. Washington Wildflowers, Including 1134 Species of Wildflowers Most Commonly Found in the State of Washington and Adjacent Areas of Oregon, Idaho, and British Columbia. Seattle Audubon Society, 1974.