Bills, J. C. (2016). Late bloomer: How to garden with comfort, ease and simplicity in the second half of life (First edition.). St. Lynn's Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bills, Jan Coppola. Late Bloomer: How to Garden with Comfort, Ease and Simplicity in the Second Half of Life. First edition. Pittsburgh: St. Lynn's Press, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bills, Jan Coppola. Late Bloomer: How to Garden with Comfort, Ease and Simplicity in the Second Half of Life. First edition. St. Lynn's Press, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.