Krumm, B. (2013). The Pacific Northwest berry book: Finding, identifying, and preparing berries throughout the Pacific Northwest (Second edition.). FalconGuides.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Krumm, Bob. The Pacific Northwest Berry Book: Finding, Identifying, and Preparing Berries Throughout the Pacific Northwest. Second edition. Guilford, Connecticut: FalconGuides, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Krumm, Bob. The Pacific Northwest Berry Book: Finding, Identifying, and Preparing Berries Throughout the Pacific Northwest. Second edition. FalconGuides, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.