Bloom, A., & Bloom, R. (2010). Bloom's best perennials and grasses: Expert plant choices and dramatic combinations for year-round gardens. Timber Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bloom, Adrian, و Richard Bloom. Bloom's Best Perennials and Grasses: Expert Plant Choices and Dramatic Combinations for Year-round Gardens. Portland, Or.: Timber Press, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bloom, Adrian, و Richard Bloom. Bloom's Best Perennials and Grasses: Expert Plant Choices and Dramatic Combinations for Year-round Gardens. Timber Press, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.