Freifelder, D. (1983). Problems for molecular biology: : with answers and solutions. Jones and Bartlett publishers.
استشهاد بنمط شيكاغوFreifelder, David. Problems for Molecular Biology: : With Answers and Solutions. Boston: Jones and Bartlett publishers, 1983.
MLA استشهادFreifelder, David. Problems for Molecular Biology: : With Answers and Solutions. Jones and Bartlett publishers, 1983.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.